Fire up Skydiver. If your artwork is working you will be very impressed. Turbo will also blow your mind with "active" artwork.
Discs of Tron just looks fab!
Star Wars will treat you to a full cabinet along with several other options.
Now that you have had a taste of what we've been busy with these last 10 years, spend some time downloading all of the art from MrDo! It's worth it.
Next item of note: Once you've had some time to enjoy the new visual features of Mame, Please consider lending your talents to cleaning up the many many bezels I have scanned for the group that still await Photoshop professionals. We are always looking for new blood to help out. Your help would be appreciated.