Home_Sliced
                Targeted for Annihilation
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                Not that I am a heavy user of this forum anymore, but here is my $0.02:
When we first switched forum systems, and colors and font sizing options were available I was a little skeptical.  One of the great things about these forums has always been that you didn't have to risk a seizue on every page because some [wonderful person] decides he wants to use 200 point font in vibrant orange for every fourth word.  (Okay, I exaggerated a bit, but you know what I'm talking about.)
As it turns out, I have actually liked having the colors a lot.  I must say, the TheJkWhoSaysNi's sig is very cool.  So I guess I don't mind the colors in sigs, but I don't think you should be able to change the text size.  As long as sigs remain concise (ie take up less space than the post itself), I think you should be able to do just about whatever you want.
So, in sigs, I am Pro: Links, Colors, Bold, Italic, Underline, and Font
and Con: Images, Size Changes, and Quote (takes up too much space)
                
                
                    "Good Asian dubs are like Steven Segal and plot; they just dont appear in the same movie." -Spork