several usb midi cables are available, your midi keyboard doesn't care which one
you use, and your laptop usb doesn't care what brand of midi keyboard you use
maudio sell this one:http://www.zzounds.com/prodsearch?q=uno&form=search
usb midi problems are rare. When you get an external interface, choose one with
two 5-pin midi ports.
I use 5pin midi for old yamaha gear, without issues.
As for sound quality, everything between your fingertips, and the final speakers grille cloth,
can ruin the investment on all that lies in between. So match your spending, with the
Thorough research will save you money. You remind me to try a unetbootin install of
pure-dyne on a usbstick, a good weekend project to keep me off the streets.