I just saw this on my photographer's blog. The venue is the Coppell Senior and Community Center. It's DIY and only holds 140 at most I think. Rental for Non-residents on a Saturday is $125/hr (not including security). Some tables and chairs are provided. Has a little outdoor courtyard area as well.
http://www.ci.coppell.tx.us/senior-community-center/seniorcommunity-center-rentals.htmlHere are the pics on Lynn's blog:
http://www.lynnmichelle.com/blog/weddings/emily-matt-reception-at-coppell-senior-community-center/