You could try something kinda in between the two they have quilt style sleeping bags with a foot box ,they are so awesome ,we bought a zpacks quilt for my wife and I they are kinda pricey but we have used it lots back packing so it was a good choice for us as it saved room an was super light for backpacking not that you would be concerned with the weight , my wife sleeps cold and I'm usually pretty warm so I can kick my feet out nice and easy and she can stay wrapped up we never found our selfs fighting for covers .
If you went with a zpacks they custom make them to whatever size you would like I can't say enough how happy I am with there product and with the quilt style , I would never go back to a regular sleeping bag by choice now also I know there are a few other companies that have this style to offer also and some may be a bit cheaper also
I tried to post a link but it won't let me as I am new I guess