These currently sell for $189 at NCIX, so the $135 at Newegg seems like a great deal. Buy from Newegg to get the free shipping, or try a pricematch at NCIX if you prefer.
Newegg.ca - Western Digital Caviar Black WD1001FALS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s Hard Drive - Internal Hard Drives
Benchmarks show these to be very fast drives. Have a look here if you're interested: Western Digital's Caviar Black hard drive - The Tech Report - Page 1
Newegg.ca - Western Digital Caviar Black WD1001FALS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s Hard Drive - Internal Hard Drives
Benchmarks show these to be very fast drives. Have a look here if you're interested: Western Digital's Caviar Black hard drive - The Tech Report - Page 1