What to knit?

I can not think of what to knit. Don't get me wrong, I have lots to knit. Lots of UFOs. But I want to knit something new. Since all the Christmas knitting I just can't seem to figure out what project I want to knit. I want to start a large project, like a sweater of which I have several in queue that I want to make, just not right now. I have a shawl that I want to make but I want to spin the yarn first. Gee. What's a knitter to do?