I am in love the "Summer Sox" yarn and ordered a BUNCH from WEBS since they have it for half-price (thank you, WEBS!) My first pair has me so enamoured that I didn't even take them off to sleep last night (-; The yarn is Merino, cotton and nylon and has a wonderful feel and hand. the most comfy pair of sox I've ever had on MY feet!
I have ordered a book and DVD on making sox on my flat-bed machine. At present, I see doing the legs by hand and hooking the rest on there to do the "grunt work" on the foot parts.