The latest
PokerStars software offers new themes for the tables. They are accessible through the View|Themes ... menu option, and include the following variations:
PokerStars Default Theme (the original)
No Images Theme
Shiny Theme
Marine Theme
Stars Theme
Hyper-Simple Theme
Saloon Theme
Renaissance Themes (Standard, Red, Purple and Green)
Which is your favorite? Try the handy poll, or discuss the merits and faults of each below.