The PHRMG has a poorly organized and belated count of various deaths in the PA territories, and I just saw this one where a man in Nablus was beaten to death on February 22 that I had not counted before.
So the 2008 PalArab self-death count is at 99.
Also, a hat tip to Eric from The Israel Situation who has placed my self-death count pseudo-widget on his blog.