How to use internet with wifi without data plan?

[pandaboy]

Guys, i'm really new to PPC device. This is actually my first PPC and my first PDA as well.
I'm from Canada, with Bell as provider. the data plan is over $60 over here (rip off). I got a PPC-6700 with my company fund, and as I understand, wi-fi can be use to connect to the internet whenever there is a wireless router around.

Unfortunately, there are too many terms that confused me. It's been 10hours that I'm trying to figure out how to access to internet without using the data plan.

Can you guys give me some hints? I've been searching around the forum and I couldn't find anything, probably because I didn't use the right term.

Can somebody explain to me how this work? what's IRDA? Evdo?... and how do I connect to the internet without wi-fi!

Thank you all in advance