I need to my laptop to connect to the internet every day or so while traveling. Which should be the best method to do this? Satellite is too expensive. GSM cell phone dial-up seems like it would be expensive. Wireless seems like the way to go because it is usually available nearby either cheaply or for free.

What is the best hardware for this? It should be portable and able to pick up weak signals. I have heard a WokFi is good:

WokFi - Wikipedia, the free encyclopedia

I could also buy a USB adapter and connect a strong external antenna to it.

What do you guys think?