I prefer more subtle 'effects' in most visual displays or at least the option to choose one. If you like the GarageBand gui, you probably love what passes for style on a PC!
On the other hand, I'm seeing things that I don't like about the UNO changes; text in the lower info bar of Finder windows is not as readable, many icons display a white 'shadow' in normal view ( probably the 'mask' showing up against the different colored background
), GarageBand and iTunes refuse to 'comply'...