I like my AT853Rx; Bought them brand new for $314; But King Crimson is selling a set in the yard sale right now.
I would love to get the 4061's though...
Nomad JukeBox 3 - mine new was $300 - but you can find refurbs for a bit cheaper on ebay. That was for the 40gb model, which I have discovered is may more than I need if I just clean up the HD every once in a while on it. I love the NJB3.
I can't speak to stealthable pre's really, except for the AD-20, which I have made some decent tapes with... but I would imagine there are better, smaller pre's you can use.
Put your mics on a hat or somewhere on the highest point of your body. Use Omni caps (the 4061's are omnis) and the AT853Rx's have a set of Omni caps you can purchase. And, unfortunately, you need to be still- that's the most difficult part for me, cause I like to people-watch; You'll hear muffling and stuff in your tape if you turn away from the source.
HTH
Andrew