Ok so i did some searching. Found this:
"Microsoft has announced that it plans to release Windows XP Service Pack 3 (SP3) in the second half of April 2008.[30] A feature set overview has been posted by Microsoft[31] and details new features available separately as standalone updates to Windows XP, as well as features backported from Windows Vista, such as black hole router detection, Network Access Protection and Windows Imaging Component.
According to a file released with the early beta version and relayed onto the Internet there are a total of 1,073 fixes in SP3.[32]"
found on wiki-2-the-pedia:
http://en.wikipedia.org/wiki/Windows_XP#Service_Pack_3