There have been rumours but that is it.
Someone posted that they knew a friend who worked for DLR who said they were coming early April with increases across the board but did not sound anything like how prices went up in 2012.
I think all you can do is book what you want now if you are okay with travel plans changing or subscribe to email newsletters from Disney, here, Micechat etc as they will advise likely a few days prior to the price increase taking effect. The only issue with waiting to the last minute is there will be a mad rush to buy them but as long as you are ordering online I am sure you will be okay.
There were also some comments made that Disney stores were running out of tickets and were not getting anymore in for awhile - suggesting to some that new ticket prices will come with them.
We are heading to DLR in a month and I am thinking I will buy our APs any day now.
The reason I was holding out was in hopes they would bring back longer day passes but that is doubtful.