The new Park Hyatt Aviara in Carlsbad, California, formerly the Four Seasons until last month, has a promotion available for stays through the remainder of 2010 offering a free night on a four night hotel stay, $100 resort credit and 10,000 Gold Passport bonus points. Advance reservations are required by July 31. Use special offer code PHA10K for this rate. Promotion link.
Rate checks for August 22-26 and August 26-30 show weekday nights Sunday through Thursday are 20% lower ($350) than Friday and Saturday night weekends ($420).
$1,050 for four nights with 10,000 bonus points (approximately $200 value) and a $100 credit brings the overall nightly rate down to around $200 per night after points and credit rebates. Of course you will earn an additional 5,000+ Gold Passport points for the paid portion of the hotel stay.
Not a bad deal if you want to bask in luxury in the southern California sun (or fog depending on the coastal layer pattern for the season).