I've purchased 2 standards from dji refurb one $359 and one at $329. The down side is waiting for price change and 2-4 week delivery.
I'm in a bit of a "holding pattern" right now. Answered a Craigslist ad last week while out of town, for a P3S that I could probably get for no more than $275. Owner said it had 10 battery cycles on it, had never been crashed and had not been flown since last fall. He had purchased last summer but enjoyed flying his F450 more. He is about 15 miles from me and I would be able to see it fly. Right now just waiting on him to get back to me as I just got back in town. Obvious downside is no warranty as with refurbished.