This would be a good drive for you. Its on one of the top ten drives list.
The Talimena Scenic drive.
http://maps.google.com/maps?f=d&hl=en&geocode=11540025487290117192,34.642047,-94.560134&saddr=Talihina,+ok&daddr=34.75064,-94.818878+to:OK-63+%4034.642047,+-94.560134+to:Mena,+ar&mra=dpe&mrcr=0&mrsp=1&sz=10&via=1,2&sll=34.690995,-94.6245&sspn=0.773472,1.050568&ie=UTF8&ll=34.621343,-94.471436&spn=0.387063,0.525284&z=11
Not "too" far from Dallas.
Also, another good weekend trip is Eureka Springs. There is a yearly event called Porsche Palooza that you should try out. Info at
www.pca-palooza.com
Or just explore on your own, really nice town.