As I write this, I realize that Android and Apple both sync faster with my email on an Exchange data store than my Windows 7 laptop with Outlook. A lot faster. It doesn’t seem to matter whether I’m connecting over 3G or Wifi – my Android phone, iPad, and iPhone are ready to go right away whereas my laptop takes anywhere from 5 to 15 minutes to get into a fully usable state (where the disk doesn’t spin an slow things down, or Outlook is non-responsive, or something else funky is going on.) I’m on a Lenovo X300 with 4GB of RAM so it’s not the hardware.
This quote comes from Rethinking The Laptop and pretty much sums up why I think the common rationale to “default to Windows clients because they work better in an Exchange environment” is plain ignorance.