Using the last two Vortex messages.
And assuming that there is No deviation from the present heading.

Rita should cross the shoreline near Star Lake and Clam Lake,TX.
This point is roughly half way between Sabine Pass,TX and High Island,Tx on Highway 87.
If this hypothetical track were to continue.
Rita would pass East of Winnie,TX and cross Interstate 10 East of Exit 833.
This is in the Hamshire, TX area and about 15 miles West of Beaumont, TX.

All of the above assumes no changes in Rita's heading prior to Landfall.
These points are for the center of the storm. The radius of Hurricane Force Winds is much larger and extend outward up to 75 miles.