Feature:
Truly a three-voice guitar. I have had all three (humbuckers, acoustic, synth) outputs going at once, and it can sound very good and thick, especially with a good GR-33 patch, such as strings, dialed in as a background sound. Has pretty much the same features as most Roland-ready guitars (s1, S2 switch, magnetic/mix/synth output), plus the piezo output. Nice padded gig bag included. Standard non-locking tuners.

Quality:
Factory setup was good, finish very nice, good quality control. Pleasant surprise. Humbuckers only fair, but the i8.13 has Seymour Duncans, I believe, if you want to spend a good bit more. Cheap looking bridge saddles worry me a bit, but seem to work fine.

Value:
You'll pay about $150 more for this than for Fender's Roland Ready strat. I have owned both and, in my option, the i81.13 is worth the extra cost due to the acoustic output and overall quality.

Desirability:
Lot's of features - that's why you buy this guitar.

Sound:
RMC bridge output has a very good piezo/acoustic sound (run to Marshall ASD100 acoustic amp). Guitar synth tracking as good or better than Fender Roland Ready model. Magnetic humbucker pickups rather undistinguished but adequate. Deduct a couple of points for the humbuckers (but not bad for the price). Stereo output. The body is resonates nicely unplugged.

Support:
Not used, but web site has good customer support (manuals, etc.)

Overall:
Good value and plenty of features.