Okay, I've used CSS3PIE on several occaisions and I've gotten it to work by employing the fixes in regards to known issues
I've added z-indexes and relative positioning. I'm using PIE.php so as to avoid the wrong Content-Type.
The rounded corners on the read more buttons and slider nav on this home page are showing up great on IE7 but not in IE8. I've checked in Browserstack.com and Adobe Browser Lab.
Also, can't get the rounded corners in IE7 or IE8 on this page:
Anyone see what I'm missing?