One of the places to find all the best cellphone plans is over at Lets Talk.com. The have a wide variety of individual, family, and prepaid cellphone plans along with some great deals on phones. All the major carriers are there including Verizon, TMobile, AT&T, and Sprint-Nextel.
Lets Talk is a great place to go to compare all the different cheap cell phone plans that are out there. They have a very clean website that is easy to navigate and find what you are looking for.