Cingular is now offering a "MEdia Max" plan that includes SMS messages. I had the $19.99 MEdiaNet Unlimited plan, giving me unlimited data for that price. The new plan gives unlimited data plus 200 SMS for the same price. Hooray! There is also a more expensive bundle that gives you 1000 SMS.

You can check it out at: https://www.cingular.com/media/media...r_mediabundles

Cheers!
Christopher