I tried deterministic signing a few weeks ago, and the transaction would not sign (some kind of error dialog suggesting a bad signature appears). Have any issues with that been dealt with?
There's a good chance the failure was due to the 1-in-256 bug mentioned in the changelog. (I never saw any problems but a couple of co-workers eventually did.) If you're still getting these kinds of errors, can you try without det signing?
I saved the transaction at the time I tried it, and that same transaction worked afterwards without --detsign. But possibly the sig padding bug occurred literally that one time.