Seems like a decent deal, price doesn't appear to have been jacked up for the sale.
Original 20% off Selected Sellers on eBay Deal Post
Edit: Cheapest on staticice.com.au is $66.77 plus post. http://staticice.com.au/cgi-bin/search.cgi?q=Seagate+Backup+…
Wow.. the store review seems so bad…