Branson is like a very sanitized version of Vegas, with a splash of Gatlinburg and Myrtle Beach. If you check it out and it suits your family's taste, you'll have a great time. If it doesn't, you probably won't. There is a lot to do for kids, country music fans, Senior Citizens, and for Church groups. I grew up in the area so I have at imes taken it for granted, but now that I'm a parent, I am remembering how much fun it is for kids.
Here are a couple of links to some deals:
http://www.bransonsavings.com/
http://www.bransontourismcenter.com/index.html
http://www.sunnydayguide.com/branson/br_coupons.php
The entertainment book also usually has some great Branson deals. I think you could buy one in your area (many school groups sell them here for fundraisers) then register your card and use it for deals anywhere else in the country. So the 20bucks for the book could work for you at home and on vacation.
If you have kids along, we got a new indoor water park
http://www.castlerockbranson.com/ but the rates fluctuate a lot based on your travel dates. In the sumer it may not matter. I haven't been yet, but I hear it's much better than the other place (which doesn't get very good feed back at all.)
Season tickets for SDC and/or White water are a good idea too, if you plan on doing more than one day. We are headed there Sunday. We are calling it our WDW training this year
Big Cedar has some great cabins you might be able to get from a timeshare broker. The grounds are beautiful and you could enjoy the beauty of the area without the craziness of the strip. There are also lots of gret hotels, and many are available on priceline.
There are lots of good plaes to eat. Right now our 2 favorites are on the Branson Landing, Shorty Smalls BBQ and the Mexican restaurant (can't think of the name- but very good. more gourmet mex than tex-mex).
If you are flying, Branson is opening the first privately funded airport (we are flying out of it to WDW in July) and it is served by Air Tran. Allegiant flies out of SPringfield/Branson too. Plus several other cariers. IF you are driving, be sure to stop in Ozark and eat at Lamberts. A day trip to Eureka Springs Arkansas would be a nice break too. In fact, if it's all adults you might consider an overnight there.