I'm waiting since the first rMBP came out back in summer '12. First of all, back then 15" wasn't an option for me, so I waited for the 13" version, but when it came out I decided to wait for the 2nd generation retina since I didn't want to be an early adopter. My patience has been tortured like no one else
Exact same case for me. I started a new job on 1/6 2012 and was totally focused on getting my first mac ever. But I love the 13 inch format so we bought a temp computer (Asus) since I thought that the 13 inch would arrive only a couple of weeks after WWDC and the presentation of 15 rmbp. So I waited (and started to follow the threads in this forum) and it turned out that I had to wait until oct/nov for the 13 inch. Sadly the reviews weren't that good for it and I decided to wait another half year to the next WWDC in which it for sure would be an upgrade to haswell. And we all know how that went.
So since then it has been August for sure, September (another event without macs) and now we just got this info about an oct event focused on ipads. And then we have this talk about silent refresh that never happens. It's almost like that waiting for this computer has become a lifestyle so it actually will feel pretty strange if/when I do buy it.
The silly thing about it is that I've been a PC/Windows person for all my life and when I finally now took the decision of trying mac then I end up in this 1-2 year waiting game and continuing running PC/Windows on a Asus laptop.