Right now on Linux Firefox the front page is messed up with boxes in wrong places. Other than that, it will just take a little to get used to it.
It's about time they updated the look a little... the old site was looking cheap and dated. It's all the same info, just a facelift.
I suppose it's OK. Almost all websites, particularly commercial ones, give themselves a makeover from time to time. Keeps things fresh, whether or not their core business is making significant changes or not. Perception is vital in this business !