Chillingo has joined the holiday fun with Cut the Rope: Holiday Gift edition. The holiday version of Cut the Rope is a universal app, separate from the regular app, and offered free of charge.
If you have somehow missed Cut the Rope, do yourself a favor and check it out. In addition to the holiday edition, there are both free "lite" versions and regular versions ($1 for the iPhone version, $2 for the HD iPad version). It's a lot of fun and offers plenty of challenges. "Om Nom" might be the cutest cartoon character since Little Cindy Lou Who (who was no more than two).