Beatmania Series

BM98 JPOP Edition
JPopMusic.com's BM98, a BeatMania emulator for Windows 9x with J-Pop BMS songs for download.
http://www.jpopmusic.com/beatmania

eLook
Contains cheats for Beat Mania GB 2: Gacha Mix. (Gameboy Color)
http://www.elook.org/games/cheats/gbc/477.shtml

Konami UK
Distributor of UK version.
http://www.konami.co.uk/