Unless you have to run Solaris... (Score 1)

...you're probably better off with a PC and Linux. The Ultra 5 I'm using right now (a couple of weeks old) is hampered by slow IO, espcially on the CD-ROM (which, under Solaris, is only single-session and makes the CPU hit 90%+ IOWait under heavy use).

They don't even have the nice Mouse Systems optical mice any more...