I'm knitting two pairs of Cabin Socks (from Clara Parkes' The Knitter's Book of Wool), and the first pair is now finished, washed, blocked and - at least for photographic purposes - on my feet.
I am so pleased with them! The pattern is very clear and straightforward, and written for DK wool, so in this weight they are a quick knit. The yarn is huacaya alpaca from Spring Farm Alpacas and was bought for me by a kind friend who was visiting the farm - it doesn't appear to be for sale online, but if you follow that link you can contact them and ask about availability.
These are the softest and most snuggly socks I have (they beat the commercial cashmere ones), and wearing them will be a treat for my feet.