Slashdot videos: Now with more Slashdot!
Secondly, what is the need for keeping the same phone number? I had a new number every year when I was in school back when we used two Dixie cups and a string, and modems melted the lines at a blazing 2400 baud.
Figure out what you really need, then go from there. That should help you decide what it is worth rather than looking to get the cheapest generic plan for something you may not need to begin with.