#2
i have one...it doesn't sound great. a little flat when it isn't plugged in. my other guitar is a martin though so i'm a little spoiled when it comes to sound
#3
Every guitar is different so the only way to know how your guitar will sound is to go play it.

That being said, Ibanez acoustics tend to be overpriced and they tend to sound dead.
Not taking any online orders.