T-Mobile Complete package is a pre-packaged no-annual contract pre-paid plan for BlackBerrys with 4 phones to choose from (1 available now) starting at $59.99 which includes the first month free. There are a couple unlimited plans starting from $50/month.
Excerpt from BerryReview.
This is gonna be first BlackBerry prepaid plan in US. Indonesia was the first country to implement prepaid plan and proven to be highly effective as a way to penetrate the market and increase BlackBerry market share in Indonesia. Could this implementation in US be as effective as in Indonesia?