I use SR80i for baroque organ and heavy metal. Because 80i is too open to leave the house with, I looked here for a closed alternative. I found at least 30 threads with recommendations, most of them short. I am compiling them here so you won't have to look so hard. I'm not including every headphone ever mentioned, because that would list most closed headphones. Instead, I am grouping them into four lists: Frequently recommended, Moderately recommended, Occasionally recommended, and Seldom recommended.
Which you do think is most Grado-like and -- equally important -- why?
AKG K240 Sextett (Note: *semi-open*)
AKG K271 MkII
Sennheiser HD25-1 II
StratoKOSSter (closed DIY based on the Koss KSC75)
Creative Aurvana Live!
Koss Pro DJ100
Ultrasone Pro 750
Equation Audio RP-21
Sony MDR-D66 Eggo
Ultrasone Pro 900
GermanMaestro GMP 8.35 D Monitor
GermanMaestro GMP 250
Grado SR80 driver inside a Koss ProDJ100 shell (conceived of, but not recommended by tdockweiler)
MB Quart QP 805 HS
Sennheiser HD250-II Linear
Edited by Claritas - 11/8/13 at 8:42pm