BUILD & LOOKS   I personally thought the XB450 was a well designed headphone but its not for everyone, as some might find it too flashy for the taste. The headphone was quite comfortable for a pair of On-Ears, but the non-replaceable ear pads are a huge let down. A redeeming feature of the headphones are the flat cables, which don't tangle easily.  Overall i feel the build quality is decent but nothing impressive.   SOUND   I expected the Sony XB450 to be an upgrade sound quality wise to the XB400, but that wasnt the case unfortunately. It...