New xfbml “Like” button + CloudFlare 503 error kills count?

Question

Recently switched to XFBML to make our page more efficient. However, we noticed that when we started using fb:like vs. the old iframe new Facebook Likes are no longer recording!

Wanted to get some insight on this. The Facebook debugger is not returning error codes so we're in the dark about what's causing this!

Code reference, everything checks out though:

<fb:like href="http://www.example.com/" send="false" layout="button_count" show_faces="false" width="90" font="arial" action="like"></fb:like>

CloudFlare: I did notice that CloudFlare was sometimes deflecting traffic from the Facebook debug/linter and wanted to know if that could be related? Here's an example request you can try: http://developers.facebook.com/tools/debug/og/object?q=http%3A%2F%2Fwww.vancitybuzz.com%2F2012%2F01%2Fwhat-lurks-below-british-columbia%2F

Thanks for the help!

Update: this issue is occurring on multiple methods for "like" (HTML5, etc.)