sls just has way too much post processing and mess to replace fdm asa home system. At the moment.

As far as full colour goes there's a couple of bods who have come up with a much better way than mixed filament.
It's a bolt on kit that colours a transparent/natural filament as it goes into the printer.
http://gigaom.com/2014/03/06/two-col...less-than-100/