If it makes u feel any better...Mac OSX boots at around 17-20 seconds on a SSD and Windows boost up in like 8 seconds. >_>"" This is fresh install though.
Mac isn't exactly the fastest booting OS so that doesn't surprise me that it gets sluggish after a few months.
Out of curiosity, which Windows? I'm considering setting up a Windows Boot Camp partition for gaming, but wondering which Windows to load.