Following the directions from here:
http://www.koushikdutta.com/2010/10/porting-clockwork-recovery-to-new.html

And several other places... Which I'll post about later!

I managed to whip up a functional CWR! Though, I say functional, because half of the screen is being blocked by a Garmin logo. But I have navigated through some of the menu options available.

For now I just wanted to provide some evidence that it works.
http://dl.dropbox.com/u/22031175/a50.zip

Follow the steps in the link below with the recovery.img contained in the a50.zip.
http://wiki.cyanogenmod.com/index.php?title=Flash_image

Then
adb reboot recovery