best flashcarts for me

[gameguy95]

i would like to know where i can buy flahcarts for my entire collection of Portable Nintendo Systems and what the best carts for them are:
Gameboy
Gameboy Color
Gameboy Pocket (hope to get sometime soon)
Gameboy Advance (hope to get sometime soon)
Gameboy Advance SP
Gameboy Advance Micro (hope to get sometime soon)
Nintendo DS already covered with R4 and hopefully soon a SCDS2

any help would be greatly appreciated

:yaygbc:

-Gameguy95

 

[thaddius]

how_do_i_do_that alreadly replied to this very same request in another board.

 

[WildWon]

And with that...

*lock'd*