Like all other plug-ins "guitar", Amplitube installs without problem. I recommend just not to skimp on the quality of the cable to connect the guitar and the sound card. Without necessarily buying a "monster" ... must pay the price. I've never needed the manual, everything is so clear to use the product. What strikes me is that levels seem to always optimized (it does not saturate, regardless of the number of items stacked).
Not a single crash either, or in stand alone or VST

SUITABILITY/PERFORMANCE

No performance problem on my PC (Dual Core 3GB + 2GB Ram). I bought "combos" of NI and I tried other plug-ins (Guitar rig,. IK Amplitube is really "over." Guitar Rig for example, artificial sounds nearby. The Digital Reverb and Chorus Digital are incredible. He just needs a little more flexibility in the use of noise gate of WW ... For the implementaiton Midi does not exist. ... It seems it happens
Only iTone brings sounds different important and therefore complementary, otherwise Amplitube sufficient to my happiness with my electric guitar.

OVERALL OPINION

I use it for 6 months and I do not regret my investment. I expect two things of IK:
- Version: acoustic guitar (or adapted presets)
- A little "midi" to work at least WW
- A bank of presets available on the Web
- A noise gate easier to use to make Gilmour!
Go ahead, test it and see it's the best the market (be careful to choose a good cable!)