I’m currently running the CC, aka Classic Client, while Deckard is trying out the EC, aka the Enhanced Client, and one of these days we are going to get together and compare notes, but for now we are both happy with our respective setups.
If you are interested in the Enhanced Client in any way, Storm, a moderator at UO.Stratics.com, has put together some great instructional videos walking you through the EC:
Guide to The Enhanced Client User Settings (half an hour!)
Installing a mod into EC (short)
If you have a Stratics account, you can comment direclty in the Stratics thread that Storm started.
I would recommend you click through to view the videos at YouTube, select the Expanded view, and then select 720p as you really need to see them in high resolution.