Hola might interest some of our Internet access challenged members -- it isn't natively portable, but it's available for all the major platforms (including Android), as well as an browser extension for Firefox and Chromium...
Hola site and download (according to Softpedia, current version is v1.1.755) are at http://hola.org/.
Softpedia.com wrote:A nifty and innovative application that unblocks access to sites restricted in your area and additionally, speeds up your Internet connection.
ProxMate uses a wide proxy server network to load only the important bits of a website. You get all the advantages of using a proxy, without using a proxy!
Old topic update: Hola! client for Windows is currently at v1.3.396 (assuming not portable, as installer only available or some form of browser integration required); both 32 and 64 bits versions are free at http://hola.org/download.
You beat me to the punch, dear joby. Used Hola once, but decided against it's much too pervasive presence in my browsing -- the advisories confirmed my suspicions. Hola does work, but isn't about doling out free lunches...