Paint sprayers for decorating

[MrCheese]

I'm decorating a few rooms and can't stand the brush marks. No matter what paint or brush I use I just don't seem to be able to eliminate them.

Does anyone have any experience of sprayers such as

http://www.diy.com/nav/fix/power-tools/power-decor...

I'm using trade emulsion which is quite thick - would this work?

[auto1]

http://www.youtube.com/watch?v=3hNkUyQaXwE

[Bitofbully]

Surely a roller is the answer?

[mdw]

Paint pad, no brush marks, no spatter from a roller and fast.