This is where I solicit advice from experienced knitters who use double-pointed needles.
I've got some Susan Bates needles in sizes 1, 2, and 3, and the smaller sizes actually hurt my hands. They work perfectly well to knit with, but using them is never comfortable. I also have a couple sets of Clover bamboo needles, which are fine for knitting socks; they grip the yarn without being sticky, they're comfortable to handle, but the tips are a little on the blunt side for my tastes and they tend to chip over time. Next on the list, I've got two sets of KnitPicks Harmony needles with which I have a love/hate relationship. The tips aren't extremely stabby, but they're sharp enough to slide through stitches easily; the resin impregnated wood is comfortable in my hands, but it can split apart at the ends, which results in yarn snags and occasional sharp edges that can snag my fingers as well. I have one set of KnitPicks nickle-plated needles, too, but I rarely use them because they're so cold to knit with and the seven inch length is a little tricky for me to fiddle with. They're smooth, of course, and rather slippery--metal doesn't usually grip yarn, does it?
Last, I've also had (no longer, alas) a set of Brittany birch needles in smaller sizes. After a while, these also chipped at the ends and I had to smooth the edges with sandpaper to keep the yarn from snagging; the smaller sizes made me feel like I was knitting with toothpicks and, yes, I did break one of the needles while I was trying on a sock--that's how I ended up with my first set of Harmony needles.
I now appeal to my knitterly buddies: Can you recommend double-pointed needles that are comfortable to knit with, slightly stabby-sharp, and of a more economical price range than the Signature needles?