We constantly buy traffic in any quantity (i-frame or any other way). We have beem working for about one year.
Our price: 40$ for 1000 unique installs or 3$ -16$ for 1000 unique visitors. Weekly payments in any payment system.
On-line statistic, good support. If you are interested there are responses of well-known AWM. Constantly actual.

icq: 291994264