Any recommendations for a new set?
I like to play a lot of thrash and Joe Satriani type stuff.
Crate Flexwave 15
Quote by Zeppelin256
When they're not naked and/or making me a sandwich.
I haven't had any experience with that amp, but I've heard it before and it never sounded too good for metal. I'd upgrade the amp first.

If you can, take your guitar to a store and try it out with a Micro Cube ($125 practice amp, costs about the same as two humbuckers). If you notice a big (positive) difference between that and your current sound, upgrade amp instead of pickups.