List all decent PPC engines for mainstream
 

Google
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what mainstream bizz are you in?
Findwhat and espotting are pretty good as well.

i sell traffic to Searchfeed not sure what they are like to buy traffic from but i've found them to be very professional in my dealings with them.

just released a new product, need massive amounts of traffic

Its a product for most computer users and its not some ebook bullshit, spent about 100k creating it

The results I get with ppc traffic for mainstream products varies alot per search engine.
Here's a long list with ppc engines.... they are not all as good as this site claims tho.
http://www.payperclicksearchengines.com/

Are you looking for bulk traffic as well?

yup goos bulk deals as well

Here you can find a lot of usefull information:
http://www.webmasterworld.com/forum85/

do u have icq?
or an e-mail address

ICQ Number: 158-802-076