Not quite emulation per se, but SC team has updated the DSTWO EOS firmware. It is now at version 1.08. Changelog: A lot of bugfixes in this one, get it right away! DL: http://eng.supercard.sc/manual/dstwo/download.htm
YAY REALTIME MENU BUG IS FIXED!!!! Post Merge: [time]1288013790[/time] Ah it is available on DS2Tools.