Found a great method to block 90% of ads with IE
http://www.dslreports.com/forum/r22124619-IE8-InPrivate-filter-from-adblock-plus-list
http://www.howtogeek.com/forum/topic/block-ads-in-ie8?replies=2#post-109863
The above link explains everything, one of the new features you can take advantage of in IE8. I have tested this with windows xp, windows Vista and Windows 7 and it works beautifully. Hope this save you viewing a bunch of ads.