Feature:
It's got a plug...it fits into my equipment. Not many choices for accesories on headphones, I guess. A case for them, maybe - that would have made this one a "10".

Quality:
Seems to be built very well, tho a sturdier cord would be a nice addition.

Value:
Way better quality than all of the cheap headphones out there, and not so expensive that they get left off the list for consideration.

Desirability:
Sharp-looking headphones, extremely comfortable during long listening sessions.

Sound:
Granted, these headphones don't have the unnatural audio curve that a lot of listeners have become accustomed to (exaggerated bass, really bright high mids), but that is because these headphones are for TRUE AUDIO REPRODUCTION. Very natural sounding, and a viable mix choice: mixes made on these headphones translate VERY WELL to the real world (car/boombox/stereo system).

Support:
Have needed no support. They work great.

Overall:
I would definitely buy these again, if I needed to (tho I plan to take care of these and make them last a long time!). I chose these over scores of other headphones specifically because they were rated for a very FLAT RESPONSE. True audio reproduction was my goal, using these for tracking, mixing and mastering album projects. I must say that I don't actually "hear things that I never heard before in the mix", but I DO know that what I have mixed on these, sounds virtually the same on other standard audio systems. I don't know why they bother having a dual plug (1/8" and 1/4") since most computers and portable units (1/8" miniplug) will need an additional headphone amp to drive these adequately. The only things that I would do to improve the value would be a heavy guage cord, and a case.

Feature:
Well, what kind of features do you get with any headphones? Not much. Very comfortable to wear for many hours.

Quality:
At first, this unit seems cheaply made. Don't let it fool you. I've had a set for 13 years, and they are in as good condition now as the day I bought them. That's 13 years of consecutive studio use, and not handled with kid gloves. They get tossed around, stepped on, crushed by guitars and all sorts of other studio equipment, and I've rolled over the cable with my chair at least a hundred times, and not a single problem with them. They are very tough.

Value:
These are the best sounding headphones I've ever used at any price. The fact that they are very reasonable priced makes them even better.

Desirability:
The best.

Sound:
Crystal clear highs and lows at all volume levels. Can take very high volumes and stay clear.

Support:
N/A - haven't had to deal with AKG, no problems.

Overall:
I've had mine for 13 years. I've tried others and have been very disappointed in comparison. I'm going to buy 2-3 more sets of these.