I wouldn't pay for a receiver just to use HDMI. It would be worth it if you'd use all the bells & whistles. Maybe get an Onkyo which has higher current amp section or a higher powered Denon which is usually sold with B&W.

If only getting the amp for music I'd get an integrated amp and either use the headphone out or buy a whireless connection.

Some body posted about an integrated amp with built in DAC that would be a good idea for you but I can't remember the brand right now. That way you could use either an optical or coaxial digital connection.