best use of ads I've ever seen is on Kingston.com (Ram) - you select your pc model then the ram size, then click on the you see a ad that compares the perfect

best use of ads I've ever seen is on Kingston.com (Ram) - you select your pc model then the ram size, then click on the you see a ad that compares the perfect ram on 3 different sites. - I think most comparison sites are just big ads, and that is ok as long as there is a vaule ad.