I've got about $300 to spend and I can't decide if I should go with a nice tube amp like a Schiit Valhalla or LIttle Dot 1+.  Or should I go with something like an Schiit Asgard.  I'm also considering the Fiio E7/E9 combo as well since that setup includes a DAC.  How important is a DAC.  Will I...

According to this headphone calculator I need an amp to provide 16mws of power.  The headphones are rated 98 SPL at 1mws and have 32 ohm impedance.  Would a Nuforce Udac-2 suffice, Cmoy, or something of the like.  Feedback is appreciated.  

Ok, I just got my new Grady sr225i's and I like the overall sound... However, I feel like I'm not getting the most out of them.  I use my computer and iPod to listen to my AAC files(320kbps).  I have to pump the volume all the way up on my computer and media player to get a comfortable volume...

Okay, I just acquired a barely used pair of klipsch image ones ($50) and they sound great.  However, I am wondering if I could still get more out of them with a decent portable. Amp.  I have been looking at amps/DAC's like Total Bithead, Nuforce UDAC-2, and Fiio E7. Would any of these help give...

Ok, I am in the market for some "nice" headphones.  I'm looking to spend no more than $200.  I mostly listen to metal and other types of rock. I do also like 80's pop.  Thats about it when it comes to music.  I plan on using these new heaphones for pc gaming and for the music I mentioned.  From...