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I am enjoying it a lot! I also have a scratch-build 3D printer, but sometimes I just fire up the laser to get a 2D job done fast!
For me, the learning curve hasn't been that steep - I've already got 3D CAD under my belt and Inkscape/Corel are pretty easy. But sometimes converting images for raster gets hard - I use Paint.NET for that, normally.

Good luck!