It's calling again: the full frame siren song. With the soon to be released Nikon Df, I'm thinking full frame again . The Df has features that put me in mind of some of the great SLRs I either shot or lusted after in the 70's. And since it has been so long since I shot a DSLR, I'm sure I've forgotten the thing that got me to switch to m43 - size. So, today I'm going to the local camera shop to handle some DSLRs to be reminded of their garganutan, unwieldy makeup to help me overcome this insidious nostalgic g.a.s that seems to be preoccupying my mind. Wish me luck.