Mac has the new Firewire 800, they should use that technology.
in the early days in my Uni..[1999/2000] I remember using firwire on the first iMovie. and it was great. Heh! I had a small built in harddisk (8GB) & I remember having my external firwire HD + my Cam firewire (Connected to Ext-HD) and that was 8 YEARS AGO!!!! hah! man days pass by quickly.
So, I think Apple should use firewire800 cable soon in it's products, (iPod, iPhone, AppleTV, HD Cam etc)