I must admit to being stuck on the 58 Les Paul Standard since that was one of the main guitar sounds I had been lacking. I absolutely love my Fender Strat, but it doesn't quite work for more modern hard rock and metal tones. You can get close with enough processing power, but if you want your tone to approximate that of Eddie Van Halen, Randy Rhoads or pick you're favorite humbucker-centric player, then you need a guitar with humbuckers or one that is good at modeling the tone. The interesting thing is that I have a Brian Moore guitar with Dimarzio hums in it, but I have never been thrilled with the tone. That's not the case with the Line 6.
This guitar was the missing ingredient in my arsenal. The ironic thing is that the Strat sound is pretty good as well and since I can switch back and forth I haven't been playing my strat that much lately. This thing has pretty convicing models of Teles, Strats, Pauls, Rick 6/12 strings, Gretschs, ES-335, ES-175 and even includes a couple of acoustic and steel models. I really like the Danelectro model that is based on the one Jimmy Page played on Kashmir and other tunes. I think it sounds pretty good for "Ten Year's Gone" although he played a Tele on the live version (not sure what he played in the studio). This guitar looks great and actually is very playable. It has a more Gibsonish radius (meaning flatter fretboard) in my opinion and just seemed really comfortable and familiar as soon as I picked it up. I posted my attempt at a Pat Methenyish tone (ES-175 model on neck pickup with some chorus/delay) on the "Time in a Bottle" cover. I intend to post more tunes featuring the overdriven and distorted tones this guitar is very adept at modeling. I truly am only limited by my ability at this point. With this guitar and the acoustic model I can get convincing close to any tone out there.