Not sure what might have happened, never had this problem before.
I simply changed from 1.75mm to 3mm filament and copied over the orignal profile and simply changed the dimension values accordingly.
NOW, whenever I print a part that has any sort of angle in it, the initial layers get laid down at maybe 5% (or maybe less) of my total feed rate (I was printing at 60mm/s). If I print stuff that is square (like calibration cubes, etc) the speed is what I'd expect.
Is there a setting I should look for that would cause such slowness? I disabled the Cool module, but that had no effect.