Further ramblings of a self-made pauper

Chaps,

There's a whole bunch of you out there who know these things, so I'd appreciate input.

What do I need to buy for my Laptop so that I can use wireless internet while I'm out and about? At home I don't have a wireless router or such, but I do have a very long cable down to the normal router, so intarweb access isn't a problem there.

Any idea of costs and such I should be looking out for?

Thanks.

The IT people are about to descend on my office machine and do a complete rebuild after a series of blue screens.

All I have to do now is find somewhere safe to save my Dr Who wallpaper, since it is no longer available on the BBC website.And then I go offline for an hour or so while the rebuild happens. I'm not quite sure what I shall be doing with myself in that period.

Tra-la.