Here they are: priced at $299, $379, $399, and $499, the Android-powered line of Archos 5 Internet Media Tablets. Outfitted, respectively, with 16, 32, 160, and 500 GB of storage. There's only a difference in $20 between 32 GB and 160 GB, so if you've got the cash why not splurge?
Clicking any of the products at the time of this posting, you'll find the the following, canned quote on "backordered" products: "Backordered: Usually leaves our warehouse within 1-2 weeks." I can't be certain that time frame is accurate, but it shouldn't be long.