Here's my mini-review:
Controller:
Not bad. (Besides being a Gibson, lol) I wish there was a little more "meat" in the nexk. It feels very plastic-y and hollow. I'm afraid when I get to the expert level, I might torque the neck right in two. The neck buttons feel ok, but only time will tell how they hold up. The strum bar is noisy (click click), but we are all used to clicks

. I suppose a P360 version of the controller is out of the question. Wammy bar is a nice touch. Although its set only to "dive", I'd like to be able to bend it backwards to get the Steve Vai-esque trills.
Game Play:
So far so good. I started the game up, created my game save, and went through one of the 3 tutorials. That was enough to get me started. I went into career mode, and started playing the "Easy Level". There are 4 levels that I suppose you will have to complete, all having the same songs, just progressively harder versions of them. I can tell you that the difference between the easiest and hardest level of the same song is quite significant. The gameplay does not speed up, just your involvement in the song increases. I used the song "Thunderkiss 69" as a test on all four levels of difficulty, since I already knew how to play the song on real guitar. Even at the easierst level of play, it gives you a sensation of actually playing parts of the song. At the hardest, you are moving chords up and down the neck, and playing fast solos. I was quite suprised to play the WHOLE song of each of the songs included. This could easily lead to finger fatigue. This is obviously geared for the home console market, since arcade games are not big money makers when 1 song = 4-5 minutes.
Interface:
Very easy to navigate with the controller. There is a good amount of humor in the game, including the tutorial0guy's stories of being a roadie, and the "Loading" screen tips and hints (like: "Don't let your drummer handle the money", that one had me cracking up)
Overall the game is great. I really enjoy it, and I wish I had some way of testing the 2 player battles right now. Te only thing right now that I think could improve the realism would be a controller with 2 rows of buttons, like having multiple strings. Perhaps 2 rows of 4 buttons would be ideal. I guess that would be a little trickier to depict on the rhythm-game interface. Thankfully the game has a very non-Japanese feel to it. (Not that I have anything against the country, I just hate that they have all the good games, and sometimes don't port them over to english).
If you have any other questions about the game, let me know.
-Stobe