I love the realistic movements. However I can't stand when it starts to look like The Young and The Restless >.> *cough*Stargate Universe*cough*
So depending on the use of camera angles and lighting, and animation, i'm for 48fps and above!
I find the reason for it looking so cheap at high frames is the animation. At 24fps it's harder for us to see the small details that rush by and masked by blur, but then when it's very smooth and high frame we tend to pick up on just how bad our CGI animation really is when it tries to imitate something that is realistic.
Animated cartoons that display in high frames is perfectly fine with most people because its a fake fiction movie, but when we see it in a cinematic movie we notice just how fake and ugly the animation is.
I've watched some movies on my TV which play on a high frame, and they look plain awful! Avatar is given no justice, but then when played on my old tv which displays on a lower frame the movie looks very nice!
I think Peter Jackson needs to hold back the frame rate fiasco because our CGI just isn't that good enough! Yea it may look very realistic and gorgeous when seen in still shots or limited movement, but when the characters move about or there's lots of movement it is very noticeable.