My music collection is iTunes AAC downloaded 256 kb songs. I do not have any lossless music and or original CD's  I recently bought BeyerDynamic 1350 and I was thinking of getting a fostex hp-p1 to take my music listening to another level. My question is since I don't have any lossless music...

I am trying to buy The Beatles Here Comes the Sun ringtone in high quality.  I tried Google to no avail.  I was wondering if you guys can give me a link to where to buy the ringtone.  Thanks in advance.

I was planning on getting a Fiio e17 and I heard that I can only use the DAC that is onboard of my iPhone 4S because the e17 does not allow you to bypass the DAC on the iPhone 4S.  I could wait a few weeks and buy a Fostex hp-p1 and go that route.  Just wondering what others would do.  Should I...

All of my music files are AAC at 256 kbps. Does it behoove me to go lossless if I use the Beyerdynamic DT1350 I bought and use an amplifier? Will I notice a difference? I was told that the human ear cannot detect a difference between 256 kbps and lossless (or CDs), even with good audio equipment.