"Disneymoon"? If it's just two adults then, IMHO, POFQ is the most romantic Moderate Resort, certainly much more so than any Value Resort.
Buses, well, everyone seems to have their own horror stories at every resort. My experience is that every resort can be hit-or-miss when it comes to the buses. There's a fair amount of luck involved. I try to avoid Disney buses like the plague.
Yes, big price difference, definitely an important consideration. There's no doubt in my mind that every Moderate Resort is "better" than every Value Resort but only you can be the judge as to whether it's worth the difference. How much time do you plan to spend at the resort? How much time do you simply want to relax is the room? How important is it to avoid the large tour groups (which are more common at the Values)?
I enjoy the Value Resorts but, at times, they definitely feel more like a cattle call. They were great when my children were very young but not any more now that they've developed champagne tastes. Considering you've only done Deluxe in the past, Value could be a shock.
Have you looked at prices at the Dolphin? It's $240/night in early July but I don't know when you are going.