A few years back in a direct in store comparison the Integra 6.3 bettered the comparable priced Denon and the Arcam edged out the Integra in audio quality IMO. Unfortunately the nice looking Arcam was dated and lacked many features. I went home with the Integra.
I recently upgraded to a Pioneer SC-07 class D which out preforms the Integra by a wide margin in the audio section. Articulate bass, luscious mids and highs, not at all congested at higher listening levels, and without any of the typical class D issues. I'm not sure what benefit it's THX Ultra II rating provides other than a certain wattage, IMO current Codecs and room correction are far more important.
I recently upgraded to a Pioneer SC-07 class D which out preforms the Integra by a wide margin in the audio section. Articulate bass, luscious mids and highs, not at all congested at higher listening levels, and without any of the typical class D issues. I'm not sure what benefit it's THX Ultra II rating provides other than a certain wattage, IMO current Codecs and room correction are far more important.