Here is a list of what I currently own. The only ones that I went out of my way to look for are the Death/Return of Superman and Wonder Woman issues. Hope this helps with the quest for rarity.
Action Comics #699
Adventures of Superman #498,499,512,514,524,528,537
Aquaman #7
Batman #507-509,532 [standard],533
Batman Legends of the Dark Knight #62
Batman Shadow of the Bat #54
Catwoman #12,13,18
Detective Comics #674,675 [standard],676,678,702
Flash #88,90,91,92,93,109
Green Lantern #50,52,54,77
Justice League America #69,88,89,97
Justice League International #60
Justice League Task Force #22
Legionnaires #29
Looney Tunes #2
Robin #6,7,9
Showcase '94 #5
Steel #2,4,5,13,14
Superboy #23
Supergirl #3,4
Superman #74,77,89
Superman Annual #6
Superman Man of Steel #18,19,20,33,35
Superman Man of Steel Annual #3
Superman Wedding Album [standard]
Wonder Woman #82,86,87,88,90,96,101