I use a PC with 2.6Ghz CPU 512MB RAM and runs even using simultanment Sunlite DMX for the lights. I mix with virtual DJ and never had a plant.

I did the updates on the net ... RAS
with respect to the dj!

I work home with LOGIC and it is impossible to make MIDI and audio at the same time!
Ds that the ASIO mode is selected, the South Be ... .. BBBEE stutters Sucks!
then it reverts to normal and working MIDI
There are no secrets! what the price is not going to criticize either!

And more free without dpenser, it offers enough to make the minimum MIDI and semi pro audio which is honorable for the price!