We did froogle in last Oct and our sales went up 3x....with almost all new traffic from there. During November, we signed up for pricegrabber, shopzilla, shopping.com and yahoo.......during the holiday season this costs serveral thousand dollars, BUT it was well worth it as our holiday sales were up 12x the previous year! We ran at about a 10% cost for the ppc costs / sales.
Since the holidays, we've continued with all of them. Obviously the volume from the holidays is down (we're a baseball store in Cooperstown), but for Jan, Feb, Mar we're still running about 8x last year. However our ppc cost ratio is at about 20% now.
We started with Nextag.com last week and are very impressed with the results so far.
Google Adwords was a disaster for us.
Drew
www.legendsareforever.com