Ultimaker is pretty good with overhangs, and most of the problems can be solved with a bit of creative modelling, and printing your part from multiple pieces, if really necessary. Most of the stuff I print has big overhangs, and I've never used support so far.
Thank you for the replies. It doesn't sound like anything to worry about. I think I will just go ahead and order my ultimaker Jan 10th, and take it from there. Thank you for your help everyone. }=]>~
Most (all?) home 3d printers do supports by printing the regular material at a lower density and/or at different temperatures. It's the same stuff as what the object's made from but printed in a way that makes it pretty easy to remove.
It's not a perfect solution but works pretty well.
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