okok i now have a 500gb hdd in my xbox

but now this old xbox hdd is just sittin here......i have an enclosure for another hdd and was thinkin......why not us the old xbox hdd as a ginny pig to start off with?
what do you guys think?
has anyone done this before?
and if so anythin i should know about before i start?
no matter how small....any info would rock!