Difference between these wireless cards:

[hlacheen]

I'm thinking about getting a Inspiron 1405 as a desktop replacement. These are the wireless card options. Can anyone tell me the difference, and which one I should get?

Dell Wireless 1390b/g (54Mbps) [Included in Price]
Intel PRO/Wireless 3945a/g [add $29 or $1/month1]
Intel Next-Gen Wireless-N [add $59 or $1/month1]

[ajml]

Here is a little info

I believe N is similar to G, just newer and goes a little further. I think the G option is fine, no personal users really use A as far as I know.