Same, just a few days ago. Worked perfectly, no hitches, and 12.04 (even the beta) is noticeably superior to 11.10. My laptop battery life jumped from 4.5hrs

Same, just a few days ago. Worked perfectly, no hitches, and 12.04 (even the beta) is noticeably superior to 11.10. My laptop battery life jumped from 4.5hrs to 7, kernel panics with too many Chrome tabs open and/or Flash playing are a thing of the past, etc. One of the best upgrades I've ever done.