Theres a new release of MAME so tons of MAME news now, heres the first :
MameUI v0.194 is released. MameUI [formerly Mame32] is the GUI version of the Multiple Arcade Machine Emulator, a program which seeks to document the internal hardware and code of all arcade games. Originally authored in 1997 by Chris Kirmse, it was the first port of Mame™ to the Windows platform.