searchform.php inconsistencies

I noticed when I was playing round with a couple of search related plugins, (specifically the wpsearchmu plugin and getting it to play nicely with nicesearch) that the themes in the 100 theme pack are very inconsistent when it comes to the searchform.php.

Some of them seem to be using "/" as the action, some use various forms of the bloginfo function (passing in "home", which is depreciated, or a couple of other similar parameters), and some use $_SERVER['PHP_SELF'];

I know its how the styles were originally created but I thought I'd just flag it up. I'm going to be going through and tidying the searchform.php files up to be consistent myself so I was wondering if you'd like my tweaked versions back?