introduction / internet question

my name is louie, and my wife chris and i got our tm last feb.05, we have a 2619 and r very happy with it, we`ve been to fl, 3 times and 1ce to st lou. mo. we live in platte city mo, just out of kc. we r planning on going to nj this april,(we r from there). my question is, how can you (or the best way) to hook up to the internet? we have a lap top we take with us, and the last time we were in fl. we had to sign up with this company (just before the hurricanes) and we had to leave early, so we lost money. i read in another forum that there is a kit you can buy and hook your lap top to your cell, to connect to the internet that way, anyone knows about this? they din`t mention where to get it from. thanks for any help. louie & chris.
(also we`ll like to be able connect to the net while we`re driving our tv)