what is a good guitar that would sound sick with a cube 30x
Depends what sound you're looking for; though I wouldn't buy a guitar to match an amp in any case, especially a solid state one. You buy a guitar to get a certain sound, or because you like the feel of it. You don't buy one to match a $200 amp.
uh huh, buy whatever guitar you like, don't try to match it with the amp. ur gona upgrade ur amp sooner or later.