the control response on my yammie isnt that bad, pretty quick, but i hate how long it takes to turn on or open the tray, i dunno if it will be ditto with the 590, but it really sucks to stand there for 10 seconds before you can put the dvd in (5boot up, 5to open tray)

M60, VP180, QS-8's
Marantz SR6005
Behringer EP4000
Stereo Integrity Mag 15"
Samsung HLS5087 DLP