It's fine if you have good service near you and you never travel. Otherwise it sucks.
Let's assume that you're one of the 100 million that are now covered by T-Mobile 1900 Mhz HSPA+, what do you think of their $30 monthly prepaid plan?
http://www.fiercebroadbandwireless....fforts-reaches-100m-pops-milestone/2012-12-14