One of the stalwarts of DFW for years has been Bicycles Inc. They have several locations. They do advanced stuff, but will also are good for entry level cyclists. One of their big advantages is they have a lot of stock in each location so you can try before you buy.
__________________
I stop for people / whose right of way I honor / but not for no one.
Originally Posted by
bragi 
"However, it's never a good idea to overgeneralize."