games value

hi
what's the value of these neogeo CD games?
they are in english (US or UK I don't know the difference) and brand new (factory sealed )
-agressor of dark kombat
-super sidekick 2
-galaxy fight

thanks

can somone help me? <img src="graemlins/eye.gif" border="0" alt="[Eye]" />
<img src="graemlins/help.gif" border="0" alt="[Help]" /> <img src="graemlins/help.gif" border="0" alt="[Help]" /> <img src="graemlins/help.gif" border="0" alt="[Help]" />

<img src="graemlins/multi.gif" border="0" alt="[Multi Color Bouncey]" />

<a href="http://www.neo-geo.com/guides/menu.html" target="_blank">http://www.neo-geo.com/guides/menu.html</a>