[sp332]

That's how they are marketed, after all. Not by everyone, but check out the "features" on GoDaddy's SSL cert page: http://www.godaddy.com/ssl/ssl-certificates.aspx?ci=8979 "Bigger, more colorful icons! Yay!"

[qeorge]

For better or for worse, big lock icons and green toolbars do help conversions.