For some strange reason, the Windows Live Mail Desktop Beta has stopped working with Hotmail on my machine, so I’ve had to revert to checking my account through a browser.
If you’re using Firefox and AdBlock+, and want to get from this:

… to this …

Simply add the following rule to AdBlock+
live.com#div(id*=RadAd)
Clicking on refresh (in the browser), or on the Hotmail button in the toolbar sometimes causes Firefox to crash, but the experience without the big annoying animated banner at the top makes the random crash worth it.
[Found this in the AdBlock+ forums]
[...] I’ve posted before about removing the annoying banner advert from Hotmail/Windows Live Mail with Firefox and AdBlock+, but now you can do this with IE7 as well. [...]
Pingback by mUnit : Mun talks technology » Remove annoying banner advert from Hotmail in IE7 — October 29, 2007 @ 5:18 pm