WTB: GBA flash cartridge USB linker of some sort

[Bubbles]

I don't really know what else to call it.

I have a serial version of the same thing, but it's annoying because my netbook doesn't have a serial port and my desktop is getting buggy.

Basically, one of these:

http://www.gba-roms.net/gba-flash-linkers.htm

I don't know if the two kinds described are inter-compatible, I know the kind on the left will work with my card though.