IE Conditional Comments: lt IE 7 = lte IE 6?

Question

Are there any differences using

<!--[if lt IE 7]>...<![endif]-->

or

<!--[if lte IE 6]>...<![endif]-->

?

Answer 1

There will be a difference if a rare, mythological species of browser dubbed as Internet Explorer 6.66 is found.

Answer 2

Yes, they do the same thing.

Here's a reference from Microsoft.