For the majority of us, there are only two days out of the year that we can purchase Apple goodies at a discount. They are Tax-Free Weekend (If your state has one), and today - Black Friday. Check out this link to see if one of your wish-list items (Magic Mouse) is part of today's money-saving extravaganza.
http://store.apple.com/us/browse/campaigns/holiday/giftguide/black_friday