Socket Mobile CHS Series 7 Bluetooth Cordless Handheld Barcode Scanners work with:
iPhone iOS 4, iPad, Blackberry, Palm, Windows Mobile, tabletPC and Windows7
Socket Mobile 7XRx iPad Demo http://www.youtube.com/watch?v=eZqb99pAbEc
Socket Mobile iPhone iOS4 Demo http://www.youtube.com/watch?v=ImI_oqXICGk
They have several different models and features.
http://ww1.socketmobile.com/products/bluetooth-scanners.aspx
CDW carries models in $300-$500 range:
Socket Bluetooth Cordless Hand Scanner 7E - barcode scannerSocket Mobile also makes PDA handhelds with fully integrated scanners & wifi that run WindowsMobile... http://www.socketmobile.com/products/
Barcode scanner - handheld - 100 scan / sec - decoded - Bluetooth 2.1 EDR
MFG #: CX2858-1294 | CDW #: 2190560