I work as an electronics engineer, and run various Amiga apps under WinUAE. Things like TV Paint, Term, Final Writer, CygnusEd, etc. Mainly because I'm used to the (decent) software. Plus the company's current offerings for a terminal prog is Hyperterminal, and their graphics editing suite = M$ Paint. Yeah right :-P
From home I do a lot of part time technical work and only use Amigas. That includes website hosting, FTP services and running a local network. Also technical documentation/manuals, schematics, image editing, scanning, internet, email... lots of stuff!