What is a good USB eternal hub without losing speed?

I'm a DJ and I need more USB inputs for even more equipment. I need some type of hub or interface that's for sure, but I don't want to lose any speed from my equipment. Is there some I/O interface out there that will allow this? Also, something even more desired, is there an I/O that is a USB interface but with a firewire out? That would be very helpful.