a) gonna second the
http://www.gentoo.org
b) gonna promote
http://www.mailmangle.com
c) gonna show off
http://www.chatspike.net
d) gonna curse
http://www.openttd.com
a) Because it rocks
b) Cause i'm a poor student in need of money
c) Because it took a damn long time to make
d) Because it stole so many hours of my life