For bandwidth emergencies I use Opera Mini, which can run everything through a compressing proxy before you get it- lossily compressing images (or even strippin

For bandwidth emergencies I use Opera Mini, which can run everything through a compressing proxy before you get it- lossily compressing images (or even stripping them out) and reducing my bandwidth due to casual web browsing by about an order of magnitude. It works wonders on pages that are mostly text. You do have to not mind routing all your traffic through Opera's servers, though.