Its still a great piece of gear (hpp1).
Familiarity can breed contempt and boredom though. Try using your ipod on its own for a day or two and then return to the hpp1, you`ll appreciate it again.
Although the hpp1 is weak in the amp department (for some people and headphones) it is a good match for the 1350 impedance wise. Maybe get a second of headphones to mix up sound signatures for when you feel the need for something different.
If you are using an idevice...