The Dell Venue Pro has been available in the US with mobile operator T-Mobile, but now it looks like it is now also available with AT&T as it has appeared on the Dell website for sale with an AT&T contract.
The Dell Venue pro costs $99 up front and you have to sign up to a new 2 year contract with ATT, this is for the 8GB model, there is also a 16GB model available for $149 and a 32GB model available for $199.99.
As a reminder, the Dell Venue Pro features is a Windows Phone 7 smartphone and it features a 4.1 inch WVGA AMOLED touchscreen display plus a 1GHz processor.
Other features on the Venue pro include a five megapixel camera with built in autofocus and an LED flash, and it is capable or recording High Definition video in 720p.
Source TFTS