Just as the title says, I'm looking for an integrated amp that has a very capable to fantastic headphone amp. Are there any out there? I currently have the PS Audio Sprout100 and while I think it sounds great, I don't have another reference point. I know that when I plugged my headphones into a Primaluna Dialogue HP it sounded far fuller and the sound stage was immense compared to my little Sprout100. A lot to ask... I know. Any thoughts would be greatly appreciated.