DOF wasn't really an issue for me back then, but again, I was younger and had better eyes at the time. For me the real deciding factor of getting the 1.2 was that there really wasn't that much of a difference between the 1.4 and the 1.8 (I actually had a 1.4 as well) but I needed something that would perform better than the 2.5 of the macro lens.
One of the benefits I had to hanging around a local old school B&M camera shop was I had access to a lot of deals on quality used glass. Unfortunately these days, most of those old school shops have gone the way of the dodo bird
