Data recovery from failed HDD in my 2.16 Core 2 Duo black case?

I have a question mark upon startup and the OS never launches, and I tried using a new 10.6 DVD to install the OS again and use the utilities on the DVD. I quickly saw there was no recognition of the HDD. I ordered and am installing a new 320GB 7200 RPM HDD soon as it arrives here. I also am thinking of picking up a Newer Tech universal USB drive adapter to see what I can grab from my original HDD if possible. Is this the best route to go to recover data? Super Duper can also be used to clone the old drive, I think, during the install of 10.6 on the new HDD, but I'm unclear about that step. Why not just start the old drive as a target drive and pull files from it?
Am I crazy or will this work?
Your help is much appreciated in advance.

kklare wrote:
BTW Firewire is not faster but is perhaps more uniform in transfers.
-Ken
Minor correction (or just clarification, if you will):
The maximum transfer speed for the older Firewire was 400MB/s. The newer technology maxes out at 800MB/s. USB has a maximum of 480MB/s.
The important thing to note is that the average transfer speed for Firewire (the older version) is faster than the average transfer speed for USB in nearly every case. If you're moving a lot of data (dozens or hundreds of GBs) around, you'll want the higher average speed to save the time.
Some sources:
(even though I dislike Wikipedia in most cases!)
http://en.wikipedia.org/wiki/USB#ComparisonwithFireWire
http://www.usb-ware.com/firewire-vs-usb.htm
http://www.ehow.com/facts4869289firewire-vs-usb.html
~Lyssa

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