I thought the LCD-2 was somewhat mediocre, both in sound and comfort. The sound part might be changed with a different amp and damping, though. The design is sturdy but a bit clunky. There does need to be something done about the foam headpad, as made obvious to me by Jecklins which use a prodigious amount of foam. 
 
Very curious about the HE-5LE and HE-6.