I'd have to go with Christmas - I love the trappings of the holiday, with all the lights and cheer. Of course my birthday is pretty close to Christmas (Nov 14 - if you needed to know) so either date is means that the season is perfect for warm
Most popular new stamp set in the Holiday Catalog? Painted Harvest - I've got no doubt! Have you tried this gorgeous stamp set yet? You're going to fall in love (get it...ha!).
The stamp set is also bundled with the new Leaf Punch - definitely one