1 - 35# CQR & 300' of chain
1 - 35# CQR & 50' chain + 200' rode
1 - 20# fluke with 200' rode
I would suggest finding a place for the chain as low as possible and a way to feed it up into the locker when you want to use it. Perhaps somewhere center to aft would be ideal. The storage locker is well above the waterline and 300' of chain throws off the balance quite a bit , not to mention it being forward heavy. I was lucky to have an old black-water tank that was never used under the forward double berth with a deck plate fitting so I keep it down there.
If I had to start over again I would do a 45 #'er rocna or vulcan with 300' of new chain for my biggest tackle. Then the CQR for my second chain. I like the fluke for times when a single point may not hold, like on a rocky shore.