The Nakamichi is serious, but it is one of their basic models, single roller/2 head system but the electronics are fantastic, as the sound also is. I am aiming for a much higher model in the future which will have dual rollers/capstans/3 heads which are quite expensive fully restored. .
Check out this link from ebay for a near mint condtion Nak Dragon:
http://www.ebay.com.au/itm/261192842245?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649