I do ALOT of modding, and usuly plpo in 80gig drives, so game backupsare sent form xbox to xbox. some xbox's go at 800k some got at 5mb/s. using all the same cables. I can't explain it, I assume it's the ftp prog on the xbox side...maybe it dont like certain xboxs...even though they all the same but ya. I can leave it and come a hour later and it's sending at a few mb/s. No real exmplaination i've found so far. My network is 100mbit through a cisco 677 router. for my xbox I upload to it at 5-7mb/s and when I send from xbox to PC I get 11mb/s:) but some friends xbox's go at 800-900k/s. And they xbox never gets better...I'm not sure what to say. Maybe try a diff type of ftp server/client on the xbox. only guess i got, but still dont make much sence. I'm a certified network admin...TCP/IP with M$ all that....nothing really adds up. one v1.0 xbox goes at 800k and u take another v1 xbox made on the same assembly line and on same network and goes at 6mb/s. dont make much sence. Either xbox dont like the upgraded HD(if u have one) or xbox dont like xbox software. Are my educated guesses but i have no evidence for any of this. Havent fond a answer for this situation since xecuter1(I pre-orderd mine year+ ago) and since then...no hard fix...just fool, reboot...leave for a few hours...anywho...if u find the answer i would like to know:)