Android: The default home screen in Android is fine and mostly functional. SlideScreen, a replacement utility, provides way more information on messages, weather, calendar events, Twitter or RSS streams, stocks and whatever else you want, in a slick-looking black wrapper.
Grab the free version of SlideScreen from the Market, and after installing and setting up your weather location and other logins, you'll be given the option to replace your standard home screen with SlideScreen, or just keep it as an app you can open at any time. Give SlideScreen the home screen tryout; you just might fall for its visual scheme and organisation.
A centre weather/time/date bar can be slid up or down to reveal more information from the "top" (email, SMS, calendar items, missed calls) or "bottom" (stocks, Twitter and Google Reader items). Long-press on an item to get more information, or click the icon on the right to launch its corresponding app. Swipe an item to the right to dismiss it (or mark as read in Reader feeds), with a satisfying haptic buzz that happens when you do. Hit your Menu button to pull up the app launcher (pictured at left), which keeps eight slots open at the top for your most frequently accessed apps, and otherwise acts like the pull-up app drawer on the stock home screen.
My only complaints have to do with SlideScreen defaulting to the default Messaging app for SMS, when I have Google Voice installed and supposed to run as a default messaging app. I'd also like to add a few other items — Google Talk chat notifiers, non-Gmail email pings, and Voice updates — that show up in my normal Notifications bar to SlideScreen's home page. I can still get at them from the app launcher page, but that's far from ideal. Otherwise, I'm impressed with how well it runs, even on my not-so-snappy HTC Dream. Like Dan at Gizmodo, I'm considering trying it out as my default home screen. If you don't use the apps that SlideScreen doesn't pick up data from all that often, you'd have even more reason to give it a go.
SlideScreen is available as a free download for Android phones, with an ad placed at the home screen bottom, or as a $US7 Pro version that's ad-free.