As Goatdan had linked in that other thread in his earlier post, lots of the talk has been kicked around already, but I do have all the variants that I've listed below for the US released DC library so I'll just post the info here and call it as they are. Due to posting issue, please go to page 3 for updated list. I'll re-edit this once I can get it to format again.
Sega All Stars
Crazy Taxi (Has SAS on disc)
House Of The Dead 2 (Has SAS on disc)
Hydro Thunder (NO SAS on disc, same as Hot!New! disc)
Marvel Vs. Capcom (Has SAS on disc) NBA 2K (Has SAS on disc)
NBA 2K1 (NO SAS on disc)
NFL 2K {Square NFL License sticker on manual} (Has SAS on disc)
NFL 2K {Round NFL License sticker on manual} (Has SAS on disc)
NFL 2K1 (NO SAS on disc)
NFL Blitz 2000 (NO SAS on disc, same as Hot!New! disc)
NHL 2K (Has SAS on disc) Power Stone (Has SAS on disc)
Ready 2 Rumble (NO SAS on Disc, same as Hot!New! disc)
Sega Bass Fishing (Has SAS on disc)
Sonic Adventure - Sonic only art behind disc on rear insert (Has SAS on disc)
Sonic Adventure - Sonic & Friends group art on rear insert (Has SAS on disc)
Tony Hawk's Pro Skater (Has SAS on disc)
Virtua Tennis (Has SAS on disc)
World Series Baseball 2K1 (Has SAS on disc)
Hot!New! Re-Releases
Hydro Thunder (Disc is redish {original is blue} Hot!New! sticker OR Hot!New! printed on manual)
Mortal Kombat: Gold (Disc is redish orange {original is yellowish} Hot!New! sticker on manual only)
NFL Blitz 2000 (Disc is redish orange {original is purplish},Hot!New! sticker OR Hot!New! printed on manual)
Ready 2 Rumble (Disc is red {original is yellow} Hot!New! sticker OR Hot!New! printed on manual)
Not For Sale releases
**ALL NFS games have NFS on the disc, all releases except NBA 2K and NFL 2K also have NFS instead of a SKU, NFL 2K and NBA 2K have nothing where the barcode shoud be**
NBA 2K
NBA 2K1
NFL 2K
NFL 2K1
Sega Smashpack Volume 1
Sonic Adventure Sonic Shuffle
World Series Baseball 2K1
General Variants
Alone In The Dark: The New Nightmare (Original has a sticker SKU of 0 20295 15011 2 AND a corrected SKU insert that has 0 20295 15011 2)
Chu Chu Rocket (Original has pixelated screen shots on rear insert, variant has normal screen shots)
Fighting Force 2 (Original has a SKU 0 10086 51020 1 which is the SKU for Toy Commander, There is at least a version w/ a proper SKU sticker with 7 88678 45004 1, unknown if there is a correctly printed rear insert)
Marvel Vs. Capcom (Original version has Wolvie vs Akuma for the left image on rear insert, variant is Thor vs Venom on the left, just like the SAS)
Monaco Grand Prix (Original has a SKU 0.08888.26001.1, there is at least a version with a proper SKU sticker 0 08888 26001 1, unknown if there is a correctly printed rear insert)
Speed Devils (An alternate version with a 'devil free' Speed Devils sticker placed over the entire manual cover)
Tennis 2K2 (Green Spine Insert and Black Spine Insert)
Unreal Tournament (Yellow Disc (First Release) and Black and white disc (Second Release))