Ahh, that explains it. I work in 1080p 90% of the time so my last 20+ projects are all 1080p. Therefore i never see a solid that i need to "Make Comp Size".
Szalam I normally use the square from the shape tool when i need something smaller and now i wonder what difference would it make is it was just a small solid. I have sorta always believed that there was no difference in the square tool and a solid other than you can do more of certain things with a square.