Best Bang for the Buck Head???

^^^I've seen a number of them come through the shop. Problems range from dropped valve seat inserts, valve seats crumble to bits, valve guides gall up and seize, broken springs. Castings themselves cracked, pin hole water leaks, and lots of sub par machining.
They can be good heads if one puts in quality parts IE springs, locks, retainers, guides and seats. Plenty of shops sell these castings doing just that. Kinda like polishing a turd.