I have a brand new white Supercard Lite, brand new Superkey and an open box (but new condition Transcend 2GB microSD card with SD adapter for sale. The Supercard Lite fits flush in the GBA slot of the DS Lite. Just pop in the Supercard Lite in the GBA slot, Superkey in the slot 1 (same as a regular NDS game) and 2GB card in and you are all set! No modification to the DS Lite is needed at all.
The Supercard Lite ran me $50, the Superkey was $15, and the 2GB card was $20 I believe. Take the entire set for $50 shipped inside of the USA. PM if you want it! (SOLD!)
Also for sale:
NES Games (loose, labels in excellent condition):
Super Mario Bros 3
Wrath Of The Black Manta
Wurm
Time Lord
Sky Shark
Seicross
Silk Worm
Werewolf
Superspike V'Ball
MTV Remote Control
Sold as a lot for $20 plus shipping in the USA.