Printed this Frankenstein light switch plate...
http://www.thingiverse.com/thing:649284

Printed with Inland silver PLA from MicroCenter.
Spool fits well on the holder and turns easily. Same size as sample Mew Matter Roll, except deeper (1kg)

I printed this by uploading the STL to my library, so it used all New Matter settings. Temp was fine.
I have also printed by uploading GCode from Cura through the desktop utility. Some models I have are support free, and the New Matter slicer added support in the middle of parts that don't need it, making holes for attaching pins difficult to clean.

I am very happy so far.
1st pic no flash, second pic flash.
20151022_142719.jpg
20151022_142710.jpg