Your animation is due next week so I hope you have all your blocking done today so we can make any last-minute corrections in the final polishing phase. The polish pass is usually the most fun for animators - after all the hard work of blocking and posing, you finally get to finesse your shot and show everyone the lovely, fluid animation that's been playing in your head for days or weeks. :D
Digital Tutors recently released a really nice 1-hour tutorial on polishing techniques:
Many animators have documented their polishing process. Here's a really nice one from Malcolm Pierce who worked on Tangled and Ice Age 3:
“FINAL” thoughts on Refining and Polishing a shot.