I thought about going to a galaxys, for the gpu jump. But I wasn't convinced (still not), that it was worth the effort.
For me, there's no real upgrade options until dual-core.
Phone: LG Nitro HD (rooted)
Battery: Hyperion extended, 3800mAH w/cover
ROM: CM10.1 Nightlies
Kernel: Wind Kernel
Storage: Sandisk 32gb SD
--> Titanium Backup
--> Go Launcher EX
--> ClockworkMod Rom Manager
There is no "Truth", only perception and deception