The Motorola Atrix 4G is now available in the US from several stores and predictably, the price at each store varies. Prices start from $129.99 with an AT&T contract or you can go for the bundle with the laptop dock included.
The cheapestMotorola Atrix 4G offer comes from from Walmart - $129.99 with a new contract (starting from $59.99 per month). Next up is a tie between Amazon and RadioShack both of which offer the phone at $149.99. Finally, you can get it straight from AT&T for $199.99 with a 2 year plan starting from $39.99/month plus a mandatory $15/month (or more) data plan.