We're all still learning - this is a constantly growing and changing field - so don't worry about feeling overwhelmed. We're right there with you!
Jeff commented on the other thread that the Clark seemed like a good product. He knows what he's talking about and doesn't make spurious statements, so I'd believe him.
My perspective is that the Clark is really expensive compared to some other models. And, as an "all in one" package, it might very well be less flexible than you want in the long run. With those things in mind, I think you'd be better off spending less money and getting something you can experiment with. Hammocks are all about comfort and convenience, so you really want something personalized.
In answer to your request, my current setup is:
Homemade Speer-type hammock - about $20
Strap-and-buckle suspension - about $15
Homemade Hammock Sock - about $10
Homemade prototype top quilt - about $30
Potomac Underquilt - This one is borrowed from Jeff, but they retail at $180 and you can make your own for about $90.
Homemade BlackCat tarp - about $40...instructions on my site.
I've used this setup down to the mid-teens (and a LOT of wind) with worn clothing. I'm pretty sure I could get lower with it.
Hammock and Hammock Sock instructions can be found on Jeff's site.
"Physics is the only true science. All else is stamp collecting." - J. J. Thompson