The Grado 80s are ok but you may want to look at the $69 Grado 60s which sound warmer and not as bright as the 80s. I've owned the 60s, 80s, 325s, and RS1s. The Grado's are open though so the sound will leak out and other people will hear them. For closed headphones under $100 you can try the Sony MDR-V6 which are pretty good for the money. Also, try the MDR-XD400 which is good too. They are both closed so the sound won't leak.
For headphone amps around $100 your choices are limited. You can try the DIY guys who make nonbrand name stuff. Or try Headroom. I think they make one for around $150.
Hope this helps.
For headphone amps around $100 your choices are limited. You can try the DIY guys who make nonbrand name stuff. Or try Headroom. I think they make one for around $150.
Hope this helps.