How about getting an external hard drive. Lots of storage space and handy for backups as well. Depending on the model and size of drive probably set you back around £80.
Hang on ive just re read you're post do you mean you want to download footage straight from your camcorder to a portable device? If so im not sure if thats possible. If im correct in my thinking you'll need to capture the footage from your camcorder to any device you use. Two ways of doing that as far as I can see a, use normal method of software on PC to pc hard drive b, take a line out from your camcorder and plug it into the line in on a device that is capable of recording the source footage. As a ipod doesnt have the function to be able to record its media needs to be uploaded via itunes I cant see a way myself. Apart from investing in a laptop