An update to my list.
1.) Beyerdynamic DT 990 Pro 250 Ohm: Very fun and clear sounding headphone. Really detailed with great range. It has a prominent, controlled, and crisp bass, nice midrange that is just a tad distant, and sparkly highs. Sounds great on all genre's. They hate poorly recorded and mastered audio with higher pitched vocals, a very easy EQ tames the fussiness with poorly mastered songs, just tone down the 10kHz spike. Improves greatly on amps and loves tubes. Extremely comfy and don't bother me in long sessions.
2.) AKG K240 MKII: A very close second. Quite similar to the DT 990. It's basically a softer and prettier sounding DT 990 with mids presented in a more upfront manner but it's also less detailed and not quite as clear and crisp sounding and has a smaller soundstage. It shares the same general frequency response(including the 10kHz spike) as the DT 990 so it's also not very fond of poorly recorded and mastered audio with higher pitched vocals, the same EQ as the DT 990 will tame their highs on those songs. They also improve greatly amped and love tubes. Also very comfy, pads need some breaking in but I can see them becoming super comfy.
3.) AKG K514 MKII: This is by far the brightest headphone I've ever heard but somehow manages to sound right and natural on a lot of things, a little too bass-lean as well. Surprisingly detailed. Imaging and soundstage are okay. If this headphone wasn't so bright, I would of loved it, but the brightness prevents me from truly liking this headphone. These are the most comfortable headphones I own, may not be the most comfortable at first but they simply disappear after you have them on for a while and they weigh less than all my other headphones. Barely improve at all with amplification.
4.) BRAINWAVZ HM5: I just don't like the signature of this headphone much at all. The sound is fine until you get to the treble, the treble just dips down and the sound has no life, air, or sparkle to it. It's also not very detailed and the tonality sounds unnatural. Soundstage and imaging are okay. Most uncomfortable headphones I currently own. Excessive clamp that never goes away no matter what you try. Pads get hot after a while. Don't improve much with amplification.
Edited by kman1211 - 1/10/13 at 2:32am