I've used mame32pluskaillera106u1with roms and it's pretty good.
Don't know about netplay since I didn't try it.
However, I still like Hkaillera v14 more.
The only way many of these emulators will get used will be to get the fighting gamers to switch from Mame 32k 64 to them, but that won't happen.
Also, wouldn't it make sense to put some of these emulators in the download section of Kaillera?
Links:
1)
http://www.megaupload.com/?d=XSSUCJ5P
(Another link for mame32pluskaillera106u1. The advertisement blocks the download link so make sure you close the advertisement window in front of the link.)
2)
http://mameplus.emu-france.com/download.htm
Edit: This is for "Mame Plus!" not "Mame Plus Plus!"
Sorry for the Confusion.
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Use Takesi's link below, instead.