A while back I posted an entry on how I thought War was on the up and I still think that patch was a good start. It was the time when Mythic stopped adding and started fixing. Since then we have had a number of patches which in my opinion has improved War adding polish and improvements as well as tweaks to the game to improve things.
I agree with Werit and Bootae it is a good time to come back to War, but I might suggest just wait one more patch. As I think between now and then things will only get better, Mythic even seem to be hot fixing improvements now, which for me is better than big patches spread out.
When I created an alt and logged in for the new player experience I was greeted with the following screen, which outlines all the improvements they have added. I think my favourite addition has been the second ramp in keeps. All the keep sieges I have participated in have been manic!
Just thought I would also add my favourite screen shot I have at the moment which became the blogs banner. I seem to have caught Scission in an almost deflated state. This with the dark clouds approaching from behind almost tells a story of foreboding.