It was not that long ago that the Android Market has been updated to a newer version bringing an improved user interface, easier access to games as well as categories for live wallpapers and widgets.
you know of the important features and you most probably already have the new version installed on your device. Droid-life has made available a newer version of the Android Market which has the version number 2.2.11 and is allegedly only available on unreleased smartphones. The new version is said to fix some security issues but other than that, it's just your ordinary Android Market. Nevertheless, if you want to give it a try, grab the apk file.