It should run fine on any S60v3 handset, as long as the screen resolution is 240x320. If your phone uses a different screen resolution everything will be blown out of proportion.
I personally own a Nokia N95. Whilst all the default icons from Carbide.ui had been themed, the N95 had plenty of default icons that were left undone. These were added manually as 'third party icons' using their SecureID codes. The only menu icon that doesn't seem to work is the RealPlayer icon

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I can imagine that not everyone will like this theme. Especially since it's quite light (mind you, it looks less bright on the phone). However, I plan on creating a possible second theme, which will hopefully appeal to more people. Here's a simple and basic mock-up of it, made in Photoshop, which should give you a fair idea of the style:

Feedback would definitely be appreciated on that as well