Originally Posted by Berry_Black
In my opinion the trackball from the bold isnt half as good as the 8800 or 8100. It feels like crap...and the sound is horrible. The 8800 feels and rolls much better.
They all use the same trackball module.
The biggest difference is that in the Bold, there's a retainer clip inside the case.
So if you have any spare trackballs - or want to order some from Horizon Wireless just in case - you won't have to mark which is for which.