FluBBa's GBA Site - All Flubba's emulators for GBA
Hoe's PocketNES Programs - All Hoe's PocketNES programs with detailed info and previews.
PocketNES Splash Screen Gallery - All the splash screen you can need to spice up your PocketNES
BigJohn's PocketNES Site - With reviews and screenshots and more
Other NES emulators for GBAFamily Computer advance - Another NES emu for GBA!
InfoNES - And another NES emu, for lots of platforms including GBA
Gameboy Advance RelatedPocketheaven - My host, the best handheld scene site ;D
GBAEmu - Got some good FAQs and other stuff, and a lively message board ;)
Japanese Gameboy Advance Game Database - My site with info on all Japanese GBA games
NES RelatedZophar's Domain - Most info you'll need about NES emulation.
NES World - Lots of info about the NES, got a whole lot of manuals etc
GameFAQs - FAQs and walkthroughs for lots of NES games and other info
OtherSNES Advance - loopy's SNES emulator for GBA
PogoShell - A shell/filehandling environment for the GBA
PogoShell SourceForge site - sourceforge site with Pogoshell source and releases.
GBA Text Reader - Great program for putting txt files to read on the GBA
FC EMULATOR for GAMEBOY - For fun, a famicom/NES emulator for GBC, the slowest emulator
Magical Vacation Shrine - A site for the best GBA game ever
PocketNES for PocketPC - Unrelated NES emulator by the same name but for PocketPC