I don't own a proxy site.
If you want few quality free traffic and a good back link to your proxy website. You can submit your topsite to my
Proxy Directory
PB was opened 15 days ago and average at Mid xxx unique visitors per day which is awesome when it comes to a directory, especially when it's a particular niche directory.
For a little promotion, you can also submit your site to
http://www.1stopdir.com - PR4 general web directory with strong PR7 and PR8 backlinks.