The UI work took longer to get in the door, and as feverishly as we're working ton implement it and clean up code, it looks like we won't be able to absorb the delay.
In a day or so, though, we'll invite some true believers to give it a try, and help us test the eventual beta.
Distractions. Well, that's another way delays come about. I've had a few distractions lately, but sometimes it's just a question of turning off the intergalactic webospherical stuff and get crackin.
That's what I'm about to do now--radio silence, an hour at a time, 5-minute email check in between.