Any reason why you wouldn't just want a march pump? because of the self priming nature I guess? Otherwise the marches work great and I use them to transfer after sanitizing them w/o any issues.
Fermenting/Kegged/Bottled NONE :( I moved to the NW and haven't had time to setup my brew rig since! (but hey, I'm in the Pacific NW so there's so much awesome beer I don't need to brew it as much hah!