Hey Fungi

As rudschul said the Sintratec KIT is whole other world. SLS has a huge advantage over FDM. You can place your parts freely in the printer and not worry about support structures. With the KIT you have a build volume of 11cm X 11cm X 10cm and you can basically fill it up with your parts.
Removing and cleaning parts is also really easy. The powder is not sticking to the printer, so you can just remove the whole "cake", refill the printer and start to heat up again. While its heating up you just have to remove the powder from the print. With a toothbrush it takes about 5-10 min to clean everything. Complex parts can also be cleaned with pressured air.