Just got this update literally a minute ago, and it confused me… what the hell, my gmail looks different. It appears theres now themes built into it, which seem to be just like iGoogle themes. There are 31 themes at the moment, and I have screenshotted a few for you here:

Right now I am using the Planets theme, its offering me quite a good mix of image and transparency, though I think I may settle on the Shiny theme or some other theme that resembes a normal Google blank page.

Anyone else seeing this at all? To see, go to your Gmail settings page, and look for the “Themes” tab.

Edit: This is only showing on my Gmail account, not my Google Apps account at the moment, so it appears its a gradual rollout (I have give me beta stuff turned on in Apps)