Volume 2 SR has Musha Aleste while SP has Spriggan, so you can actually tell which one it's gonna be. Also, I have to correct that Layer Section / Galactic Attack is Rayforce. (I know it's complicated since Rayforce had a ridiculous amount of names) Raystorm is Layer Section II. I was never a big fan of Raiden either, but the Star Soldier ship is definitely worth keeping!
These sets have been covered extensively on the shmups forum :icon_bigg I had pre-ordered my Vol. 1 set when they were like $29.99. Also notable are the variations on each ship. I believe their are two versions of almost every ship. Shooting Game Historica Vol. 1: R-Type featuring R-9A Arrow-Head (original and color variant) Image Fight featuring 0F-1 Daedalus (original and color variant) Gradius featuring Vic Viper T301 (only original color) Gradius 2 featuring Metarion (original and color variant) Darius Gaiden featuring Silver Hawk (original and color variant) Shooting Game Historica Vol. 2: Fantasy Zone - Opa Opa Musha Aleste - M.U.S.H.A. (Metallic Uniframe Super Hybrid Armor) R-Type III - R-90 Ragnarok Raystorm - R-Gray1 Star Luster - Gaia Star Blade - Geo Sword Shooting Game Historica Vol. 3 Wolf Fang - Blue armored mech which carries a blaster rifle Raiden - Sleek Raiden mk-II (Red) with movable boosters Soukyugurentai - S.O.Q-004 Toryu with multiple movable parts Kaitei Daisensou: In the Hunt - Squat submarine designed by Irem Maneuver Cepter Granada - A blue tank with moxie and a gun turret Star Soldier - The Ceaser which features a transformable cockpit Alternate versions: Wolf Fang - Model variant with shoulder cannon and no shoulder struts Raiden mk-IIb (Blue color variant) Soukyugurentai - S.O.Q-004 (Blue color variant) Kaitei Daisensou: In the Hunt (Blue color variant) Maneuver Cepter Granada - Model variant with two additional parts Star Soldier - Red trim color variant; the cockpit hatch is colored blue I'm not going to sort through all their stuff, but if you want some good photo's, ncsx has some: http://www.google.com/search?hl=en&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&q=site%3Awww.ncsx.com+Shooting+Game+Historica&aq=f&oq=&aqi= -ud
