I still don't like it, and the absolutely STUPID holy point system. And now...oddly...it seems Blizzard is fumbling at trying to make it better.
Roll holy. You'll destroy stuff, and have so much fun doing it. I honestly expect a nerf. Nothing like running instances and doing great dps AND being able to heal (if there's a need). Seriously, if you are frustrated with ret, just give holy a shot.
Raids you say? Personally, I never liked raiding. Stand here. Jump there. Spin 3 times. It never appealed to me, so it's not an issue to me. So if you plan to raid, at least you'll enjoy the ride to get there.