I like it too, but it is the cutest in the spring and summer to me because of all the bright colors. But it looks suprisingly good with browns in the fall and winter. I say go for it.
The white shoulder bag is beautiful! I'd say go for it and just be a little bit more careful when you wear it (i.e. when you need to put it down, hang it on a chair in a restaurant, put it on the seat next to you in your car etc.) and you should be fine. I actually like the legacy line as much in white as I like it in whiskey!
I saw a woman at the outlet between Christmas and New Years carying the Legacy Shoulder bag in white - she was wearing a winter white down vest over a winter white wool sweater with jeans. She looked so polished and so classic! I'm not sure I could pull it off as well.
Off topic - kinda - Did anyone see the movie "Serial Mom" where she flips because a member of the jury is wearing white shoes after Labor Day?