lol!
perhaps you should RTFM....

and to answer your question on hdd size, once a 'rebooter' is compiled/released for the glitch hack, hopefully the hdd size limit will be patched the same as with freeboot, you can install any size hard drive you like.
on a retail, the most you can install is 320gb, which you can make using hddhackr and a 320gb hdss.bin file (when released).