Sinestro goes up a few orders of magnitude in retro's book for having some love and compassion in his core. His magnificence is undeniable, but I like that he's trying to connect after she's gone. Not that he's going to let Hal know.
Definitely novel concept in Hal fighting side-by-side-by-side with his arch-enemy and 2nd-worst-enemy/ex-boss/OTP.