After debating my choices for a couple of days, I decided to stick with Debian for both technical and philosophical reasons.
Read his blog here
Which brings up another point: Im reluctant to trust my computer to an eccentric millionaire, no matter how benevolent. This feeling has nothing to do with Mark Shuttleworth himself, whom Ive never met, and who, from his writing, seems a sincere advocate of free software. But one of the reasons I was first attracted to free software was because, in the past, my computing had been affected by the whims of corporation, notably IBMs handling of OS/2 and Adobes neglect of FrameMaker. Trusting my computing to an individual, no matter how decent, seems no better. Id rather trust it to a community.