Sega Megadrive emulator. It has support for 2 players, zip compression, save states, graphic filters, SVP emulation and load roms from the internal HDD.
Final Burn Next, multiarcade great emulator able to emulate machines like:
Capcom CPS-1, Capcom CPS-2, Capcom CPS-3, Cave, Neo Geo, Sega System 16 (and similar), System 18, X-Board, Y-Board, Toaplan, Taito and Psikyo 68EC020.
VICE (Versatile Commodore Emulator)
Computer Emulator 8-bit machine emulates the C64, PLUS4, VIC20 and C128, has aspects ratio filters, and numerous video compression formats among many others.
Version PCSX emulator, which emulates the legendary PlayStation One In its first version will FullSpeed games, support for 2 players, saves, full screen and homebrew PSX, among others.
Baum-Darstellung