A couple of things I noticed:
- runs fine on N800, on screen keyboard is a bit of a hit&miss, but it works most of the time
- text rendering is noticeably worse compared to microB, especially when you switch to full screen. It looks like it has been scaled.
- duble tap zoom mostly fails
- initial startup took forever, subsequent launches were much faster
- it is slow, but considering this being an alpha release, I don't think it needs to be mentioned at all.

Stcking with microB, which has most of the things I need at the moment