Andem - 10:39 am on Jan 17, 2013 (gmt 0)
I don't think touchscreen desktop PCs will ever take off, either. I've had one for a couple of years now (Vaio L-series) and using it for more than 2 minutes get extremely awkward.
I simply don't use the touchscreen AT ALL. Getting fingerprints all over my screen is just a secondary annoyance.