They want say goodbye to a lot of $I don't think MGM will be losing that much money, it is only a month after all and it's not as if everyone who would pick up a copy at Best Buy etc will import instead. IIRC The World Is Not Enough was released in the UK a month before the R1 release as well and sales where quite high on that.
I'm also sure that a few people in R2 land will wait and get the R1 copy, so sales will probably even out.
MGM have sent over a revised press release for their May 2nd Region 2 DVD release of James Bonds latest adventure Die Another Day. This 2-disc set will see the film presented in Anamorphic Widescreen with both DD5.1 and DTS soundtracks presentAnd I have the UK James Bond Collector's Set which includes a Die Another Day bonus disc which categorically states the (then) upcoming DVD release would be through MGM.
Perhaps FOX have the distribution for mainland Europe and not the UK?
Update Blackstar are clearly listing the release as an MGM release Here