1) I think the burr might be the issue, but I can't remember exactly where this last puncture was. I'll have to wait til this weekend to get access to a pump to check the rim. Or else I'll be ride-less for a couple days, which we all know is unacceptable! What's the difference, mechanically, between a rim strip and rim tape? Just wondering.

2) Yup Scrod, the cone nuts were loose. Good call, easy fix. Though I was kind of hoping I'd have some silly excuse to buy a new wheelset...