I found the book "Surviving K2" by Wilco Van Rooijen a good read about this. It's obvious that English is his second language, but if you can get past that then it is pretty captivating. He has quite a negative view of people who rely too much on porters / oxygen IIRC.

http://www.amazon.com/Surviving-K2-Wilco-van-Rooijen-ebook/d...