An absolutely top-notch stove for winter is the ClikStand. This can be bought from Scott Reiner at www.clikstand.com.
The Clikstand was originally designed as a lightweight solution for supporting a Trangia alcohol burner. It weighs 3.2 ounces and is really durable as a pot support. The only problem is that pesky alcohol burner, which is of course not much good in winter.
Fortunately, Trangia makes (well I think Primus makes it) a canister gas burner for their stove system. Install the canister gas burner (which is about 6.5 ounces but super robust, unlike the WindPro,) and you've got a wide, stable, roaring winter stove.
I originally contacted Scott Reiner of clikstand.com to ask whether he had tested the gas burner in the clikstand, which he hadn't. He graciously shipped me a clikstand with a couple of small cutouts to allow extra clearance and to allow for the gas hose, and presto! What it amounted to was an amazing, strong, and very lightweight winter stove solution.
The real weight savings come from the fact that the windscreen is integrated, and perfectly sized for the pot. On my kitchen scale (sorry I don't own a cool digital gram scale) the *whole system* (potstand/burner/windscreen) comes in at approximately 330 grams, which is around 11.5 ounces. Including windscreen! The system fits its' own pots (which I think are similar to or the same as the ones AntiGravity Gear sells) and I wouldn't like to use anything else. I even take it dayhiking!
I have been working on a review with photos. Let me say that I refused to buy a WindPro because they're too flimsy for my taste; the Clikstand with gas burner passes my Canadian Winter Ruggedness Confidence Test with flying colors. I have even put a full 14 litre stock pot on it; the stove didn't budge!
Look here for a full review coming soon; in the meantime may I recommend that you consider this setup for your winter stove.