What's the best fitness website?

I’ve been looking for fitness websites to track my weights/cardio. So far I’ve found Dailyburn née Gyminee and this crazy site called SparksPeople. So Flutherites, what’s your pick? Should I go with one of the above, or something completely different? I’m pretty much willing to try anything, so long as it’s free and has a workout wizard of some kind to make data entry neat and fun!