Well... the P-51 is not going to be a great choice for a low experience pilot. They are fast, and VERY sensitive to control input. You'll want to shelve the P-51 for a while, and gain some experience with milder glow powered aircraft.

Skip the 6DA. May as well get a Hitech Flash 5 and have more mixing functions. (the mixing of the 6DA is VERY limited.) Or just a few more $ and get the Futaba computer 6 ch. (usually, less than $20 more than the 6 DA)
I have a 6DA and am dissaponted in functions for price. The radio works fine.

Sorry. [img]i/expressions/face-icon-small-sad.gif[/img] Not what you wanted to hear, but its the right thing to do.

There's a small glow power model (kit, not ARF... quick to build though.) which looks much like the 4*40.. I'll see if I can find the name of it. Should make a good transition model from the electrics to the small glow models, using the same engine and radio equip as the P-51. when you can fly that with 3 oz added ballast...you're ready for the P-51 on low rate controls. (after a more experienced pilot trims it... They ARE that hard to fly!)

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Found an ARF (which I've seen one of fly) which would also be good for a step-up plane from electric toward the P-51:
http://www.shopatron.com/product.pht...120&mfg_id=100

Its ALMOST an ideal step-up from a mild performance 3 to 4 channel electric toward the small higher performance glow models.