For me it would be either the:
Technics SU-R1000 - If I wanted some digital inputs.
Yamaha - A-S3200 - If I wanted to keep it all analogue
I'm a sucker for black amps with VU-meters. These two would probably be the top end of what I could afford. I'm running an Yamaha A-S1200 at the moment which I bought the day it hit the UK. This year I bought a number of substantial components. This has now made the A-S1200 the weakest link when it once was the strongest
. Come the end of the financial year I'll look to upgrade, as long as we're not living in a mud hut by then.