I've had two of the four wines offered here. I'll preface this by mentioning that Sauvignon Blanc is my favorite white varietal, though that preference is not as strongly felt as it once was.
I prefer dry wines. A very subtle sweetness is alright in whites, but if it's much beyond the level of perceptibility I tend not to like it.
FWIW, my current total stock of white wines, including Sauvignon Blancs, Chards, Viogniers and Rieslings, is 14 bottles. I probably have ten times as many bottles of red.
2010 Project Paso Sauvignon Blanc: The short version is that I did not like the bottle I had, which I found austere. For the long version, see my notes on the >>original thread.<< Note that I did not get this wine from the previous Woot offer; a local wine shop happens to carry it, and I tasted a bottle purchased there.
2010 Woot Cellars Quaffmor Sauvignon Blanc: This was the first Sauvignon Blanc I opened after the Project Paso, a few weeks later. As a result, I couldn't help but make comparisons between the two. In short, I thought the Quaffmor was considerably more enjoyable than the Project Paso. Here are the notes I made that day:
A good summer sipper on a hot day. Best chilled, but does not develop strange flavors, get too sweet or fall apart as it warms, like other inexpensive Sauvignon Blancs sometimes do. Flavors well balanced on the first day, with lemon grass, slightly sweet grapefruit and a hint of green apple matched by a mild acid tartness. On day 2 fresh cut grass dominates the palate, though not objectionably.
I have a couple bottles of the Quaffmor unopened, plus a couple bottles of Inspiration Vineyards Sauvignon Blanc in my chiller. If I didn't have any Sauvignon Blanc around, I would consider going in for one of the Quaffmor offer here.
I have not tried the Chance Creek or Proud To Serve SBs. I would like to, but these offers are too many bottles for me. (Even the Quaffmor offer, with only five bottles, is excessive; were I to get it, I would split it with a friend.)