Here are some details about the imminent Android Market overhaul:

http://www.androidcentral.com/androi...n-new-graphics

It seems that the market is getting high-resolution artwork to depict the app as well as the ability to add a youtube video for previewing.

All in all, in combination with user ratings, this should definitely help separate high quality apps from the low quality apps.

Now lets hope that it's easier to *find* applications in the market as well (as I've heard this can be troublesome)!