I just traded in my Pass Labs INT-150 for a PrimaLuna Premium Dialogue HP--there’s no comparison! The PL sounds far richer, more detailed, dynamic, and simply more realistic than the Pass. It’s $400 over budget, but perhaps you can find a used one. (Or go for the basic Premium, which is lower-powered and doesn’t have a headphone amp.)
EDIT: I see I'm too late. Well, for anyone else searching for a moderately priced integrated, the PL HP gets my highest recommendation!
EDIT: I see I'm too late. Well, for anyone else searching for a moderately priced integrated, the PL HP gets my highest recommendation!