We talked bootleg recently in the phone thread. Thought it a good way to to educate ourselves so we don't get taken.
I've been mildly interested in Yeti products. I do use a travel cup every day. But... I use it in house too and need to microwave the contents, which a Yeti mug could not do. Then again, maybe my plastic mug is horrible at retaining the heat.
Yeti vs the oven