made quick list of release schedule from info of gamespot...
PSP
3/20
Puyo Puyo (JAP)
Dragon Ball Z: Shin Budokai - Another Road
After Burner: Black Falcon
UEFA Champions League 2006-2007
3/25
Virtua Tennis 3
4/01
Prince of Persia Rival Swords
4/05
MOBILE SUIT GUNDUM SEED UNION VS. Z.A.F.T. PORTABLE (JAP)
Jikkyou (Commentary) Powerful Professional Baseball (JAP)
4/08
Coded Arms: Contagion
4/15
The Elder Scrolls Travels: Oblivion
4/19
Final Fantasy (JAP)
4/27
Tom Clancy's Rainbow Six Vegas
5/10
Final Fantasy Tactics: War of liones (JAP)
6/03
Tom Clancy's Ghost Recon Advanced Warfighter 2
6/07
DragonBall Z: Shin Budokai (JAP)
6/10
Crazy Taxi: Fare Wars
6/24
Tomb Raider: Anniversary
NDS
3/21
Dragon Ball Z: Legacy of Goku (JAP)
3/25
Konami Classics Series: Arcade Hits
3/29
English Trainng for Adults: Motto Eigo Duke (JAP)
4/5
Shin Sangoku Musou DS: Fighters Battle (JAP)
4/12
Phoenix Wright Ace Attorney 4 (JAP)
Mario v Donkey Kong 2 (JAP)
4/19
Wi-Fi Daredemo (Everybody) Asobi (Play) Taizen (JAP)
4/26
Panel de Pon DS (JAP)
FINAL FANTASY XII REVENANT WINGS (JAP)
Momotaro Dentestu (Railway) DS TOKYO&JAPAN (JAP)
4/29
Dragon Ball Z: Harukanaru Densetsu
4/30
Atelier of Lise (JAP)