1. From what we know around here, M80s are better for low level listening. I'm in the same boat you are, and that's what I use.

2. Dunno. Love to know.

3. Dunno. Love to know. Also: highly disputed.

4. Unless you're running at (very) high volume, the VP150 will be just fine with the M80s. Much better than sideways M80, which has been reported to be quite poor.

5. I wouldn't bother, not at the levels you're going to be listening.

6. see above.

I am the Doctor, and THIS... is my SPOON!