A NEW Genesis emu has just gonna out to the big WWW, its name is RazorX2004
The oficial web is http://www.emuhx.pt.vu but has it is currently down, the backupage it http://emuhx.com.sapo.pt/razorx/razorx.htm
The emulator still doesnt have many options, graphics or controllers options, save load etc, but already has sound and a very good speed and compatibility.
May i remember that this its is first ever public release, its next one will be at the end of this month i hope, and it will have alot of new stuff.
For more info, download and screenshots visit the official webpage!