u only need a flash-linker and a flash-cart. the cheapest would be the 64MBit-set:
http://www.lik-sang.com/catalog/prod...ducts_id=1322& (99,- USD)
disadvantage:
- high power-consumption
- holds only one game at the same time
- the latest games are to big (128MBit)
better: the 256MBit- or 512MBit-Set:
http://www.lik-sang.com/catalog/prod...ducts_id=1462& (179,- USD)
http://www.lik-sang.com/catalog/prod...ducts_id=1856& (249,- USD)
that's all ^^