I think goodwill is a bit OP. After playing a game going just Goodwill, and buying coppers when good will is in play, i was able to save up for a 5 province turn on turn 13.
Also, with the base set, chapel lab + goodwill is kinda broken:
Graystripe77 Total:63Provinces:7Duchies:7Estates:0Curses:0Cards:35Turns:13Sins:0
C1 (hard) Total:9Provinces:1Duchies:1Estates:0Curses:0Cards:12Turns:12Sins:0
Cards
Graystripe77 1 Chapel, 9 Laboratories, 2 Coppers, 9 Goodwills, 7 Duchies, and 7 Provinces
C1 (hard) 1 Catacombs, 1 Chapel, 1 Council Room, 1 Laboratory, 1 Copper, 1 Gold, 1 Goodwill, 3 Silvers, 1 Duchy, and 1 Province