I just found this site a couple weeks ago and am about to purchase my first decent pair of headphones. I was looking to spend ~$100, and these were recommended by other HF members, although they are really <$100. I'm planning on buying my pair next week. I was stuck between these and the A500s for awhile, but I'm just scared of those huge CD sized earcups on the A500. I read the XD400 has a very similar sound but smaller cups, so I finally decided to go with those.
I've read all the reviews for these cans on the site and they seem pretty positive overall. I hope they will sound noticeably better than the $20 aiwas I am using now.
I listen mainly to rock and blues, and use them for movies and some occasional FPS gaming.
I will check back to read your review, and might add one of my own. I hope these are worth it!
Maybe after I've had this pair for awhile I will get a better feel for what kind of sound I like, and can go from there to start looking at upgrades that better suit the sound I'm looking for.