I'm trying to "find" / "replace" color codes for 50 different .htm/notepad pages. Is there a software that can allow me to load all the pages into a folder and do a "complete" edit/replace for the 50 pages at once or do i have to go to each page and edit/replace?

cutehtml will let you open more than one page and when it's done with one page, it will ask you if you want to search the other open documents.

http://www.globalscape.com/cutehtml/index.asp?sessionid=cjxnlafwwutfdtvqzwaui4b4

also, you should check out CSS

http://lissaexplains.com/css.shtml

so you only have to change ONE file and it changes all the styles on all your pages.

http://www.notetab.com

context is also a nice editor