I was just on the SonyStyle site and found a page where they are apologizing for their site being down by offering free shipping on orders placed through 31 August 2009* (Expires Midnight on Monday (it doesn't say which time-zone). It isn't just for Readers, it is for most things on SonyStyle's store except 32" or larger TVs.
I found it here. eCoupon code is: AUGUSTSHIP