Consider commercial VPN services (Score 1)

I actually wrote up a blog entry recently on this very topic that others might find helpful:

http://blog.screen-scraper.com/2007/03/01/how-to-s urf-and-screen-scrape-anonymously/

My biggest recommendation would be to consider commercial VPN solutions, such as:

https://www.relakks.com/?lang=eng
http://www.strongvpn.com/