Alternative to Wacom Stylus?

Dart Stylus?

Now that Wacom have released a bunch of different styluses for tablets, the Solo starting at $20 ranging up to the top of the line one at $70...there suddenly seems like a lot of choices one of which is the Dart, also $70 but this seems to work much better across various platforms.

Not one I've had the opportunity to try right now, but it's something that should be on any digital artists radar looking for something with a bit more control to be used on various tablets who aren't in the Cintiq budget.