theres always a dupe checker -
http://dupe.sabeln.org/?section=console
Heres a list of the latest VC releases
2008-05-20 Mega.Man.2.PAL.VC.Wii.REPACK-iND
2008-05-20 Impossible.Mission.PAL.VC.Wii-CBT
2008-05-20 Monster.Lair.NTSC.VC.Wii-iND
2008-05-20 Bonks.Revange.NTSC.VC.Wii-iND
2008-05-19 Dracula.X.PAL.VC.Wii-iND
2008-05-19 Phantasy.Star.PAL.VC.Wii-iND
2008-05-18 F-Zero_X_N64_VC_USA_Wii-NumbNutz
2008-05-17 Wonder.Boy.in.Monster.World.PAL.VC.Wii-iND
2008-05-15 Streets.of.Rage.II.VC.PAL.Wii
2008-05-15 The.Legend.of.Zelda.2.VC.PAL.Wii
2008-05-15 The.Legend.of.Zelda.Ocarina.of.Time.VC.PAL.Wii-OmbreG
2008-05-15 Super.Probotector.SNES.PAL.VC.Wii-WiiMANIA
2008-05-15 Super.Castlevania.IV.SNES.PAL.VC.Wii-WiiMANIA
2008-05-15 Sonic1.PAL.VC.Wii-iND
2008-05-15 R.Type.III.The.Third.Lightning.SNES.PAL.VC.Wii-WiiMANIA
2008-05-15 Metroid.VC.PAL.Wii-VC
2008-05-15 Lylat.Wars.VC.PAL.Wii-VC
2008-05-15 Kirby.64.The.Crystal.Shards.VC.PAL.PROPER.Wii-BLACKCATS
2008-05-15 Kid.Icarus.NES.PAL.VC.Wii-WiiMANIA
2008-05-15 Breath.Of.Fire.2.VC.PAL.Wii-VC
2008-05-15 SimCity.SNES.PAL.VC.Wii-WiiMANIA
2008-05-13 Balloon.Fight.PAL.VC.Wii-WiiSiON
2008-05-13 The.Last.Ninja.PAL.VC.Wii-WiiSiON
2008-05-13 Virtua.Fighter.2.PAL.VC.Wii-WiiSiON
2008-05-13 New.Adventure.Island.PAL.VC.Wii-WiiSiON
2008-05-13 Sonic.Spinball.PAL.VC.Wii-WiiSiON
2008-05-13 Dungeon.Explorer.PAL.VC.Wii-WiiSiON
2008-05-13 Ecco.the.Dolphin.PAL.VC.Wii-WiiSiON
2008-05-13 Excitebike.PAL.VC.Wii-WiiSiON
2008-05-13 Landstalker.The.Treasures.of.King.Nole.PAL.VC.Wii-WiiSiON
2008-05-13 Castlevania.PAL.VC.Wii-WiiSiON
2008-05-13 Dragons.Curse.PAL.VC.Wii-WiiSiON
2008-05-13 World.Games.PAL.VC.Wii-WiiSiON
2008-05-12 Battle.Lode.Runner.PAL.VC.Wii-WiiSiON
2008-05-12 Gradius.II.Gofer.No.Yabou.PAL.VC.Wii-WiiSiON
2008-05-12 Military.Madness.PAL.VC.Wii-WiiSiON
2008-05-12 Super.Street.Fighter.II.The.New.Challengers.PAL.VC.Wii-WiiSiON
2008-05-12 Phantasy.Star.II.PAL.VC.Wii-WiiSiON
2008-05-12 Double.Dragon.PAL.VC.Wii-WiiSiON
2008-05-12 Street.Gangs.PAL.VC.Wii-WiiSiON
2008-05-12 Blues.Journey.PAL.VC.Wii-WiiSiON
2008-05-12 Ice.Hockey.PAL.VC.Wii-WiiSiON
2008-05-11 Mega.Man.2.PAL.VC.Wii-iND