Download the free MJUC jr.
MJUC jr. is the little brother of MJUC, a mixture of the models Mk1 and Mk2. It'll give you an idea, how MJUC performs quality-wise and CPU-wise.
If MJUC jr. runs smoothly for you, the big brother will do the same. Also, if you like what MJUC jr. does, you'll love MJUC.
Download the manual for more information