I've been using the beta version of this for the past few months now, and it's working quite well. Well worth the download if you're having problems.
I too found it to remove a number of items that spybot and Adaware missed.
From what I've been reading from Microsoft, when they release the final version, it will continue to be a freebie for personal use, but there will be a cost for businesses with more than 10 users.
:t: