Dell Home offers the Western Digital My DVR Expander 500GB eSATA External Hard Drive, model no. WDG1S5000VN, for $99.99 with free shipping ($0.20/GB). That's $10 under our mention from two weeks ago and the lowest total price we've seen. Sales tax is added where applicable. This eSATA hard drive adds up to 60 hours of high-definition TV or up to 300 hours of standard-definition TV to eSATA-enabled DVRs, like the Scientific Atlanta 8300-Series and TiVo Series3 and HD. Offer ends December 4.