Although they are slightly cut down versions (and cheaper), the 05R/W and perhaps, the better X5D/R are small half rack modules that are much more convienient than the full rack 03R/W.
I owned both, Strings, choirs and pads are their forte. Classic 90s Korg AI sounds.
Korg Trident Mk1 - Oberheim OBXa - Roland SH-09 - Doepfer Dark Energy Mk1 - Nord Lead 2X - Waldorf Q - Access Virus B - Roland JD800 - Moog Minitaur - EDP Wasp (somewhere) - Creamware Minimax ASB - Roland JP8080 - Korg 168RC Sound-link - S/W: Reason & KLC
'Coming to grips with compromise is an essential ingredient for balance, harmony and avoidance of conflict'. Maisonvague