I want to be able to use my phone to give an internet connection on my laptop.
If the phone is connected via GPRS to the internet, can I connect it to my laptop get get online via Infrared?

I'm using an i-mate PDA2K, also have a nokia 6320 which I might be able to use with the same sim on OPTUS. I have a data cable for the 6320 if that makes any difference?
I have a docking thing for the i-mate but when I put the phone in that it disconnects GPRS.

I also have a Nokia N73 on the Three network but would prefer not to use that one as its my personal phone.

If I just use the phone as a modem to connect to an ISP are the data prices cheaper? Would GPRS or dial up be faster?

Lastly, anyone had any luck using an i-mate PDA2K as a modem for a laptop? I've used my Nokia 6230 as a modem via IR ok...

Thanks