I know this is a little bit of a side-step, but I'm hoping it's helpful. I posted elsewhere in Synth Shootouts recently, wondering between an old Yamaha CS 5 and a new Dopefer Dark Energy. I've had a fair amount of experience with analog(ue - sorry, living in the UK now and have to play by the Queen's rules!), so I knew that I didn't want another digital synth. I ended up picking up the Dopefer and I really love it. I probably would have loved the Yamaha as well, in all its clunky glory, but the Dark Energy won points for being compact and midi-able. Really, though, it's the sound I adore, though the knobs and switches (and the wood and metal of it, too) are deeply charming. I'm not gonna knock digital/virtual - I love my Novation X-Station, and my Korg MS20 Legacy is on most of my latest tracks etc, but there is something intangible to me about the very tangibleness of analogUE, be it old skoo or new. The closer the digital world comes to seeming "real," the more some of us crave the plastic thunk of a funky box that only works half the time!
To try and relate it to your Moog quest, both synths have THE sound, but condition/reliability issues aside, how much does it matter to you get your hands stuck in? I always wanted a Source, from when I was a Devo-obsessed teen, but nowadays, I bet I'd grab the Prodigy, for reasons I've sorta put forth above. I mean, 90% of my record-making takes place on the keyboard I'm typing on now, with one finger tip on a track pad calling allllll the shots!
(Before I leave off, I'll ask if anyone here has any clue why let my Micromoog go all those years ago!)