I find any website logging to be cumbersome, so I purchased and downloaded fitday pc. (I'll email myself a note if I eat something unplanned while I'm out and about.)

I like it because I can copy/paste meals (so when I put away a portion of my dinner for the next day's lunch, I can copy/paste rather than retyping or creating a recipe for every meal). I also like it because it easily tells me what my deficit for the day is.

For reference, here is what I've tried before turning (and returning to fitday pc): SparkPeople, DailyBurn (formerly Gyminee), FitDay online.