I'm quite enjoying it. It's a lot better than I was expecting. I do hope the final game has a more solid frame rate.
Yes, although I can't remember the alpha that well, I noticed the judders on the beta in quite a few places.
The EG Digital Foundry analysis noticed it too:
http://www.eurogamer.net/articles/digitalfoundry-2014-vs-destiny-ps4-beta
Its strong visual assault aside, Bungie's alpha experiment wasn't all smooth sailing. In fact, we noticed at the time a locked 30fps read-out from our tools, with the average frame-rate showing little threat of dipping to the nether. That said, in practice the game clearly feels less smooth than it ought to, and this is where the principle of frame-pacing comes in.
Unfortunately, the beta version of Destiny continues to show signs of an uneven spread of frames, which while averaging out at the promised 30fps, produces a judder sensation to lateral camera movement. As a shooter played largely from the first-person view, the camera pivots more aggressively than most games, making this issue easier to pick out. It's very much playable, but we feel Bungie is doing itself a disservice given its in-house engine is clearly capable of pushing out a rock-solid frame-rate.
So not sure if that something that will change for the full game. I'm also not sure if the 'frame pacing' they point out is the same issue (or similar too) the issue with NFS:Rivals at launch which was later patched out.