chocobofenix posted...
Radiant Silvergun
Guwange
Trouble Witches Neo!
Strania
R-Type Dimensions
RayStorm HD
Ikaruga
Sine Mora
KOF Sky Stage
Bangai-O HD: Missile Fury
Omega Five

Triggerheart Excelica
Aegis Wing
Galaga Legions
Galaga Legions DX
Space Invaders Extreme
Space Invaders Infinity Gene
1942: Joint Strike

...I might be missing a few. Also, check these lists:

Scrolling Shooters:

http://www.gamefaqs.com/xbox360/list-83?dist=4

Static Shooters:

http://www.gamefaqs.com/xbox360/list-272?dist=4

^^ those are sorted only for XBLA games. You should check out the list including indies... it's massive.