hey i dont know much about turntables, and i wanted to get one to sample some vinyl, my friend said he had 2 DJ turntables and a mixer he wanted to sell me, he said he bought em for 200, and i asked the brand later and he said Ion. are these good turntables? should i buy these and for how much would be a good price for me, help me out, anyone heard of these and if they are any good?