the Great Wireless Carrier Smart

PDA Shakedown: the Truth between Carriers

Sprint (19 devices - 5 Blackberry OS, 2 Palm OS, 2 WebOS, 8 Windows 

Mobile, 2 Android)
=======
BlackBerry Perl 8130
Centro by Palm
BlackBerry Curve 8330
Samsung ACE
Palm Pixi
8830 by BlackBerry
HTC Snap
Treo 755p by Palm
i920 by Motorola
Palm Pre
Samsung Intrepid
Treo PRO by Palm
BlackBerry Tour 9630
BlackBerry Curve 8350i
Samsung Moment with Google
HTC Hero with Google
Touch Diamond by HTC
HTC Touch Pro
HTC Touch Pro2

Verizon (15 devices - 7 Blackberry OS, 6 Windows Mobile, 2 Android)
========
Samsung Omnia
HTC Touch Diamond
Samsung Saga
HTC Ozone
HTC DROID ERIS
HTC Touch Pro2
HTC Imagio
DROID by Motorola
BlackBerry Pearl Flip 8320
BlackBerry 8703e
BlackBerry 8830 World
BlackBerry Curve 8330
BlackBerry Storm 9530
BlackBerry Tour 9630
BlackBerry Storm2 9550

T-Mobile (15 devices - 3 Windows Mobile, 2 Danger/Sidekick OS, 7 

Blackberry OS, 3 Android)
=========
T-Mobile Shadow
BlackBerry Pearl Flip 8220
BlackBerry Curve
BlackBerry Pearl 8120
T-Mobile Dash 3G
BlackBerry 8820
BlackBerry 8700g
T-Mobile G1 with Google
BlackBerry Curve 8520
T-Mobile myTouch 3G
T-Mobile Sidekick LX
Motorola CLIQ
HTC Touch Pro2
T-Mobile Sidekick
BlackBerry Curve 8900

AT&T (16 devices - 2 iPhone OS, 2 Symbian, 6 Blackberry OS, 5 

Windows Mobile, 1 proprietary)
=====
Apple iPhone 3G
Apple iPhone 3Gs
Nokia Surge
BlackBerry Pearl 8110
Nokia E71x
BlackBerry Curve 8900
Samsung Jack
Samsung Propel Pro
LG INCITE
BlackBerry Curve 8310
HTC PURE
BlackBerry Curve 8320
BlackBerry Bold
Nuvifone G60
BlackBerry 8820
HTC Tilt2