mwave has the Western Digital Caviar Green WD20EARS 2TB 5400RPM/64MB cache 3.5" Internal SATA Desktop Hard Drive for a low $139.99 Free Shipping after Coupon Code: SUBSCRIBER (Exp 3/31). Tax in CA.
Please note, you must be both an mWave mClub member and also have an account to take advantage of this $30 discount.
This hard drive has the new 4kb physical sectors, instead of the 512 byte sectors. Windows XP users may run into problems with this drive, so it's recommended for Windows Vista, Server 2008, Win 7, Mac OS X and Linux.