I've just taken delivery of one around 3 weeks ago and it's barely been off my wrist since. This is my first Rolex and its a keeper. In fact, dare I say it, my collection is complete
Can't help you on the flipping front but I also tried it on when I got my AP. I'd never been remotely interested in Rolex before but having tried the AP, a DSSD and the SD4000 i really fancied one. I ended up with the AP but the SD4000 has been on my want list since.
Great size, weight and balance for me, with the glidelock bracelet its incredibly comfortable and in fact I've even ordered my first NATO for it.