2 DSL Lines?

Yeah you just need 2 phone lines going into your house each having their own number. Then just set up a separate account for each one. You'll have 2 email addresses that way too. Only thing is though, I think you'll have to pay for 2 accounts.

 

Exact thing he said. As well as paying for the two DSL accounts you'll have to pay for the additional phone line.

 

if you're doing file hosting, your main issue is your uplink speed, in which case you might be better off adding a cable setup. I have verizon DSL and I get 1.5M down but only 384K up, which is good enough for gaming but not much else. I think a regular household cable modem can offer up to 512K uplink speeds (it might be higher these days, since I'm quoting from memory), which is probably about as good as you're going to get unless you switch to SDSL or T-1.

anyway, if you use both lines and set up a bursting configuration on your server(s) you should get a decent speed bump. Of course, the downside with cable is that you share bandwidth with the neighborhood...

EDIT: also, adding cable might be cheaper. You're probably already paying for cable TV, yea? Adding internet service would probably cost less than adding another phone line/DSL account.