PS2 With Snes Station (That's it. Its pretty boring.)
Wii with CIOS and IOSX out the wazoo. Homebrew Channel, stuff like that.
Black Wii u with Haxchi and Mocha CFW
PSP with CFW and a few emulators
o3DS with A9LH and Luma3DS
New 3DS with A9LH and Luma3DS with NTRCFW
DSLite with R4I Gold Card
GBA SP with nothing special