Looks like a Good buy on a model 4, includes Rotax 912 setup for less than 12K on Ebay:

KITFOX MODEL 4 1200 EXPERIMENTAL AIRCRAFT
COMPLETE KIT LESS ENGINE COVER AND PAINT,APROX. 70% COMPLETE,METICULOS CONSTRUCTION,SET UP FOR ROTAX 912 ENGINE.PROJECT INCLUDES LONG WINGS W/REMOVABLE WING TIPS, TWIN 14 GAL. WING TANKS,UPPER AND LOWER FALSE RIBS.CUSTOM VINYL INTERIOR BASIC VISUAL FLIGHT INSTUMENT AND ENGINE INSTUMENTATION.OPTIONAL ELEC. HOT BOX W/ NEC. WIRING ,STATIC AIR SYSTEM,OIL COOLER , RADIATOR W/ AIR SCOOP, GAS COALATOR, CABIN HEATER, ENGINE MOUNT,EXHAUST SYSTEM,20" TUNDRA TIRES W/ DISC BRAKES,OPTINAL ALUMINUM TAIL WHEEL SPRING,INTERCOASTAL TAIL GROUP RIB INSERTS,MANUALS AND BUILD LOG LIFE CHANGES FORCE SALE

http://cgi.ebay.com/ebaymotors/KITFO...item231b0b4e15