Just this past week I saw Jodi Barrows use the greatest new idea on her latest daily video. It is an oblong ironing board with a same sized cutting mat that fits on the board, all sit on two rolling chest of drawers.
http://squarequilting.com/index1.htm
Serendipity strikes again! I saw a man at the Quilters Unlimited Show this weekend that is selling them.
The set up i saw was white
http://www.traceystables.com/products/miscell.php.I wish I had the space for one.
Also another solution-this fits your ironing board-Nancys Notions Notion 17
http://www.youtube.com/watch?v=lSu3PVpnHnk