What about the headroom bithead or bithead total? seems like it might ork for everything I want to do - computer amp/processor and portable amp. ?? I don't have any experience with headphone amps.

I'm new here so bear with me. I've been using my SR80's for about 6 months, straight out of my laptops (compaq x1000) headphone out. I know I'm not getting very good sound, and I want to get more out my my grado's. I have been looking at the Echo Indigo products, but is that all I need, or do I...