I ended up never buying any 4e books, though a friend did give me some last year. Pathfinder shone good enough that I simply never got around to it and just kept giving Paizo my DnD budget. So far, nothing I am seeing from the 5e development team is really impressing me. If the game is OGL, I will certainly buy it. If not, chances are looking like I will wait and see... and might put it off like I just kept putting off getting the 4e books.
That being said, I am slightly surprised at the lack of support it has already garnered as the next new shiny. That does not bode well to me and I hope the team pulls off a surprise and blows us all out of the water.
I might also be more tempted if they went the Pathfinder route of combining Player and DM material into a single core rulebook, rather than the traditional three.