PHP Proxy - Use this for normal web surfing that does not require you to login.
CGI Proxy - Use this if you plan to login to Myspace or Gmail, etc.
Free Proxy Server is hosted on a Dedicated Server. The server specs are: Dual Intel 2.8GHZ Xeon Processors, 2048MB of RAM, with dual 36GB SCSI harddrives. The site started on a single 1.8 AMD Athlon but outgrew that in a matter of weeks!