ENGINE SWAP!!!!

hey people i have a 92 civic esi d16z6 [uk] i have blown my engine up thru lack of oil like an idiot but i was already planning on doing a conversion so now i have a proper excuse....jus a few questions....i can't decide of what engine 2 get or which will fit the best without 2 much messing around , i wannid a k20 type r engine put in but not too sure of the fitment ...somebody said about an integra engine or a 2.2 accord type r but i really am not sure of what will be best could somebody please help me ...just need 2 no which will be easyest 2 fit i also thought about the vti engine but i'd like something abit quicker ino there quick but i got my heart set on one of the type r engines can someone plz help me out thanx!