RIM's no stranger to playing different tricks
with touchscreens, and it looks like it may have another up its sleeve, with a recent patent application revealing some plans for a hybrid capacitive / resistive touchscreen. As you might expect, the idea here is to take the best aspects from each and form one super touchscreen, which would have the general usability and "goodness" of capacitive displays, and the added benefits of a resistive screen, like better support for stylus-based input. Of course, such a screen would also likely eliminate one of the biggest advantages of resistive displays -- their cost-effectiveness -- so it seems safe to assume that it'd be reserved for higher-end phones
to start with.
[Via Unwired View