I have tried to place the rich:extendedDataTable as shown below. It is giving the problem in IE... Any one can generate this problem in ur examples easily.

While stretching the headers the columns alignment will not be stretched accordingly with the  headers...

<table><tr><td>

<rich:extendedDataTable >

............

.............

</td></tr></table>

Can any one help me how to solve this problem... I want to use the <table> tag compulsary.