Demand for PC support services is booming even as retailers and PC vendors pare down their standard warranties. Fed up with pleasant but unsatisfying support answers, PC users are increasingly <A HREF="http://news.zdnet.com/2100-9584_22-6044445.html?tag=zdnn.alert">willing to pay for support</A> from those companies. Third-party PC support is becoming big business, with Best Buy aggressively promoting the services of the Geek Squad and vendors like Dell jumping to provide their own touch. The overall market for Windows support last year was $7.8 billion, which includes everything from corporate server support to consumer PCs.