The Little Elm area is just about10 to 15 miles from me...I'm in Denton. Your commute will probably be south into Frisco or Addison or points beyond. Not really a good ride. Your commute will just be traffic, although depending on your route and time of day, it may move pretty well...
You mentioned a 300 mile range...there is some pretty good riding in that range. I think you'd be surprised at all the wilderness...or at least rural type riding you can find in this area....after all, we're Texans.. we loves us some rural... hunting and fishing and what not...
Get on mapquest and check out the areas to the between Denton and Decatur. The area to the north of that stretch has some nice back roads (1655, 455, 730,677, 922, etc.). Zoom in on Mapquest because alot of rodmaps don't show the FM (farm to market roads) they're just 2 lane highways with little traffic. Go up 677 north of a hole in the wall town called St. Jo...kinda reminds me of the TX hill country.
If you head the southwest of Ft. Worth there are some really good windy roads. Look between FTW and Stephenville to the south. Get a detailed map (or zoom in on mapquest...if you don't zoom in a bit , these roads won't appear on the map) and check out that whole area...and if you just keep heading south you get into Texas hill country. lots of good riding and some elevation changes.
I bought two good TX atlases that show all these little roads that don't show up on most maps. These atlases will even show blacktop back roads...very detailed.
http://search.barnesandnoble.com/bookse ... 3059&itm=2
http://search.barnesandnoble.com/bookse ... 3205&itm=1
The book in the first link is the more detailed of the two as far as backroads go.
I like to pour over these books plotting my courses for my weekend rides and then head out on a new FM road that I've never been down before.
Also, here is a link to a site that shows some good riding roads that have been submitted by folks. It breaks the state up by region. Check it out.
http://www.motorcycleroads.us/tx.html
At any rate, I think you could have alot of fun with your current bike. I ride a cruiser but I pass alot of sport bikes on these back roads. You don't need to trade it in on a Harley dresser or a Goldwing just yet. It ain't Cali but it ain't Kansas either.
There seem to be three kinds of riders in Dallas: 1) very wealthy wannabes on $35,000 Harleys, Iron Horses, and Big Dogs, 2) spoiled teenagers on crotch rockets (often seen on the sides of the road needing to be scraped up), and 3) poor slobs on rat bikes.
I think when you get here you'll find that although we have our share of these types, this is a bit of an over simplification. DFW riders are as diverse as riders anywhere. If you look around you might find a few riders that don't quite fit into these these 3 molds...although we do got some R.U.B.'s and squids up in here..
Anyhows...sorry for the ramble... I'm trying to get my thoughts out fast before my boss comes in here and catches me.
...Welcome to Tejas!...(pronounced Tay-Hoss!)