Yeah I would think that they would come in at the same price. The good news if you wait though is that if they do announce them and they come in at the same price, you can expect to get yourself an even better discount on a 15inch on the apple refurb store or find a really good deal from someone that is selling their current machine in order to upgrade.
That's what I was going to do was wait until they announce new 15 inch models and then either get a refurb (most likely since they come with 1 year applecare with the option to extend later with Applecare +), or I was going to scour craigslist for a really good deal. I happened to have found a really damn good deal on one anyways so I bit the bullet.
FWIW, I have the 2014 15 2.5/512/16/750, but I looked at the 2013 model as well and did some research and it seemed that the difference between the two models was pretty mild to the point where the 2013 offers a good price.
The price was a tad more than I really wanted to spend on a laptop or computer for the time being, but I really wanted and needed to upgrade. So for me, it was worth stretching the dollar just a teeny bit extra for that piece of mind. A laptop like mine or a 2013 that has applecare should easily last you 4-5 years, again which is why I was happy to spend a little more. Hell, I was rocking a 2010 white unibody macbook with a core 2 duo and while things were getting a little sluggish, the thing did everything it was supposed to do and lasted plenty of time. I am sure that thing will last whoever owns now a while as well (sold it on ebay to help with upgrade).
There rMBP will last a longgggggg time imo. They are pretty beastly machines that nowadays offer desktop class performance in a pretty durable package. Back in 2010 and 11, the laptops were powerful for laptops and were pretty good performers, but they have gotten to the point where the machine I am typing on right now is just as fast and efficient and somewhat moreso than some recent 27 inch imacs. That's kinda crazy to me and gives me piece of mind with the investment. I would say that extended applecare should be added though because of the horrid repairability of the machines.