Feature:
No power supply included. Purchased separately. The best feature, in my opinion, is the editing interface, which is common to many Digitech multieffect devices. Easy to change (even on a dark stage 2 minutes before show time), once you understand the parameter matrix concept. More than enough slots for user-edit patches.

Quality:
Sturdy, solid, should last me a while. No backup -- without it, I could still get through a gig (although it might not be quite as much fun). Generally, construction quality is good.

Value:
Plenty of features for the price. And in my case, it may save me some medical costs associated with hauling a giant pedalboard around, ha ha.

Desirability:
Cosmetics are so-so. But on the floor of a dark stage or dim tavern, who cares?

Sound:
Digital modeling only get you so far, but this unit sounds pretty good in most of the patches. The autowah algorithm is a difficult to tweak so that it triggers properly and shapes the Q envelope in a useful way. The speaker modeling isn't particularly subtle. Editing the chorus effect takes some trial and error. The reverb patches are not especially distinguished, but are quite usable. I bought this unit to replace a pedal board full of gadgets in my live rig, and it serves that purpose perfectly. I might have some doubts about using it in the studio. As with any multieffect, some of the preset patches are just plain silly, and most of them benefit from judicious editing. The distorted sounds are decent. The octave patch is as good as a Boss OD-3 (my standard for live octave gadgets). The amp models range from sexy to ugly; anyone should be able to find four or five that work for them. And yes, this device flattens dynamics and sucks some tone (especially on the more extreme patches) -- but that's just the nature of effects in general. My advice is, stick with subtle, and save the wacky stuff for one or two standout passages.

Ease of Use:
I have no problems coaxing good tones out of this unit. Your mileage may vary, and depends on your willingness to edit your own patches. The expression pedal takes some getting used to -- I use mine strictly for volume now, although I like the idea of using it to control triggering sensitivity for certain patches (like autowah). The tuner works reasonably well, but I rarely use it.

Support:
No dealings with Digitech support. Perhaps that tells you something.

Overall:
I'm not going to part with this thing as long as it keeps working. If it gets lost or stolen, I might replace it, or I might take the opportunity to trade up. That's the thing about digital audio gadgets -- the technology gets better and cheaper pretty rapidly.

Quality:
I bought this b-stock and it looks and works like new. I could not tell the differnce.

Value:
Yes.

Desirability:
The color is a weird blue color unlike the sliver picture shown online.

Sound:
The sound is amazing.

Ease of Use:
Confusing at first but it gets easier everytime

Overall:
This is the first and last pedal you will ever need

Feature:
the wah i liked but i was a little dissapointed with the fretless simulator, the reverb and amp models are also really good. shame you cant jump effects tho, and the scroll it to fast to stop with any accuracy. the tuner is also really jumpy and can be quite aggrovating when tuning in a hurry. there are also alot of gimicky effects ull never use in a band

Quality:
good for a multi effects pedal the fact that it is metal is also good cause you know it wont break. the expression pedal can creak sometimes which makes solos sound....wierd

Desirability:
looks pretty cool but doesn't have the sex appeal of having 5 or 6 pedals at your feet

Sound:
some of the sounds are quite good but you have to do some fiddling to get them really nice. alot of them sound like guitar effects which was quite dissapointing cause they dont suit the bass. i thought they could have done better

Support:
dont know i bought it in the US and i live in Australia so i dont think ill b using this bit

Overall:
good for what it is but i grew out of it quickly if i had my choice again id buy a row of seperate pedals. the best of the multi effects in the price range but its worth saving those pennies for a real pedal

Feature:
nothing at all missing

Quality:
wah pedal gets harder to press after a while, and one of the buttons doesnt click anymore

Value:
150 bucks may be a bit expensive, but its worth it

Desirability:
i got it

Sound:
nothing wrong with the sound

Support:
never had to call the company or anything

Overall:
small flaws, but great overall

I read all the reviews before I bought this thing, and I halfway agree with the person who says "bass should be pure!". The effects like wah, echo, fuzz etc. are not for me. On the other hand, the amp & cabinet modeling allow me to get some really nice "pure" tones. the noise gate is really useful, so is the tuner.
I like the solid aluminum construction, and the built-in effects pedal. You don't NEED one of these, but it's nice to own.

Feature:
most of the effects sound the same

Value:
It is the best bang for your buck@

Desirability:
It looks so great in pictures but it looks even better in the box

Sound:
most of the effects have a very muffled sound to them so you have to set everything just right to get it to go away.

Very well built. Drawbacks: only runs on AC (no battery). No on/off switch.
Otherwise this is a good piece of gear. Website has additional effects parameters uploaded by users.

Feature:
It had many good features.

Quality:
It is very well made.

Value:
Good price for an awesome product.

Desirability:
It looks good and works great.

Sound:
This product is good all around.

Support:
They helped with all my problems.

Overall:
I will keep it for as long as it works.