w luck and time been able to get a toon to a full set of t4 armor in like 2 days (weekend), starting w zero lang and zero armor
You are much luckier than I am. I've spent 4+ hrs at a single camp pulling everything I can find and seen like 1 name pop.
If I had to gear an entire group I'd go to CoB and do basement first. If you don't mind moving your ground around between killing spots windsong isn't too bad to hold 2-3 sets of ph's down.