OK, so I haven't even taken delivery of the MCI JH-24 yet and I'm already wondering about upgrading the audio path. I have the owner's manual with schematics and see that all the chip I/O is NE5534 and NE5532. While these are certainly low distortion devices, I have seen people pooh-pooh them on other forums. I was wondering if anyone had any thoughts about retrofitting them with maybe Burr-Brown OPA(2)134's or OPA627's? Thanks in advance for any input!