Baxtefer wrote:

"how often do you figure you're going to be changing that sprocket? If you're riding on the street, probably not that often; once you've figured out your preferred gearing, that is."

Well, experimenting and figuring out my preferred gearing had something to do with it.
I presently restrict myself to one gear on my multi-gear bike and boogie around town in that one gear.
I find I can do about 72 gear inches day in and day out without much hassle.
With 700c X 35 tires, 72" comes out to a 48 X 18 combination.
I could just do that and forget about it.
I have concerns, though, that in the long run, even 72 inches might come out too high.
And then again, I have ridden 81" for a week and my knees have started to complain a little, but who knows, I might work up to it.

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Baxtefer also wrote:

"3. miche adapter on any other (non-campy?) track hub (double check this)."

The folks at www.businesscycles.com advise against this.

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Baxtefer went on to write:

"Plus, the hubs have gotten some bad/mixed reviews on this forum."

That gets my attention.
Bummer, but better to hear about it before hand.

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Well, if a person wanted a bullet proof single-cog hub (for purely aesthetic/minimalist reasons), what would most folks choose?
I mean, assuming something other than Phil Wood qualifies as bullet proof.

I'll check out the other links provided by yonderboy.
Thanks.