If anybody is still interested, Sonny Sekhon on the android market has a nice theme for HDPI and MDPI devices. I use the MDPI theme on my Optimus V and intend to use the HDPI theme when I switch to a Triumph in a few months.
I can't post links as I've been lurking for so long and this is my first post, but a Market search for Sonny Sekhon will find it. It's pretty awesome. Couple it with launcher themes and widget themes, and it's the closest I'm ever going to come to ICS until/if we see an actual ICS port.
Edit: Apparently this isn't my first post. Guess I forgot about that one. Still can't post links, though.