BY THE NUMBERS:
 
Price-Range from $499 to $829

Weight: 1.33 lbs

Height: 9.5 inches

Width: 7.3 inches

Depth: 0.34 inches

Technicals: Runs on 1GHz dual-core processor with iOS 3.4

Available: March 11
 
Price: $600-$799

Available: Since February

Software: Android

Weight: 1.6 lbs

Height: 9.8 inches

Width: 6.6 inches

Depth: 0.5 inches

Tech: Runs on 1GHz Dual Core processor with Android 3.0 Honeycomb
 
Price: To be announced

Available: Probably March

Weight 0.9 lbs

Height 5.1 inches

Width 7.6 inches

Depth 0.4 inches

Tech: Runs on 1 GHz dual-core processor with BlackBerry OS
 
Price: To be announced

Screen: 10.1 inch-display

Weight: 1.3 lbs

Tech: Runs om 1 GHz dual-core processor with Android 3.0 Honeycomb

Available: To be announced