I think if you are doing a lot of this then Dean Edward’s IE7.js is a good idea. Personally I tend to use JavaScript solutions for small enhancements on sites that already use jQuery for other things so it makes sense to me to just add in those selectors on a case by case basis rather than load in a bunch of stuff I am not going to need.
I’d also suggest caution if developing with a library like IE7.js in place as it is very easy to then forget about the view of the site for users of IE6 with no JavaScript. Make sure you test with the library removed to make sure nothing breaks horribly.
I think if you are doing a lot of this then Dean Edward’s IE7.js is a good idea. Personally I tend to use JavaScript solutions for small enhancements on sites that already use jQuery for other things so it makes sense to me to just add in those selectors on a case by case basis rather than load in a bunch of stuff I am not going to need.
I’d also suggest caution if developing with a library like IE7.js in place as it is very easy to then forget about the view of the site for users of IE6 with no JavaScript. Make sure you test with the library removed to make sure nothing breaks horribly.