You can go through the pages of this blog all the way back to 2007, and here and there you'll find many, many hopeful references to parity -- the moment when solar PV and/or wind power becomes cheaper than fossil fuel.
I also argued that this time was close in other forums, particularly in comments on Revkin's blog. I got shot down by lots of denialists for my pains, and eventually gave up making such comments. Since I was convinced parity would arrive, there seemed no need to argue when I could just wait.
Parity has been here for a while now, and I've known it and my students have too, but it's also beginning to be discussed in the business news.
PS: The Guardian followed up the next day with this: