I bought a pair of UM2's when they came out (5 years ago?) and since then I've sent it in twice, once to replace the cable and once to replace a dead driver (right earpiece). The driver was replaced last year and when I got it back I noticed the left earpiece rattled when I touched it. I decided...

Hello, I am looking to hook up my powered speakers to my PS3 through its optical out and my Macbook through USB. Are there any DACs available under $200 or would I have to get something like the V-DAC? A headphone amp would be nice but it's not necessary. Thanks.