You picked a good time to get interested in this project - and you may be glad you posted this query. Enthusiasts generally seem to agree that the Lindberg
Hood is one of the most awful warship kits ever released. It originally appeared in the early sixties, and seems to have been marketed primarily as a toy. The original issue (I don't know about the latest one) had an electric motor, which was equipped with a series of pushrods and cams that made the gun turrets rotate endlessly back and forth and, if you were lucky (I wasn't - but I was twelve years old at the time) moved the rudder so that the ship would "follow a pattern pre-set by you" in the swimming pool. In terms of scale accuracy it was hopeless - and bewildering. It had, for instance, a small triple gun turret one one side; the real ship never had any sort of triple turret. The Lindberg kit probably would still be a nice birthday present for a kid, but scale modelers avoid it like the plague.
The Heller 1/400 kit was originally issued in the late seventies, if I remember right. By that time plastic warship modeling had become a serious adult hobby, and the enthusiasts gave that kit a lukewarm reception. The basic shapes in the kit are reasonably sound, but the detail wasn't up to the standards of the seventies and is even more disappointing now. A good modeler could build a fine model based on that kit, but it would take quite a bit of work.
The good news, though, is that the new Chinese manufacturer Trumpeter is set to release a
Hood on 1/350 scale within the next few months. Based on Trumpeter's track record, and the fact that each of its warship kits has been better than the last, there's little doubt that this one will be an excellent product. It won't be cheap, but we can assume it will blow all the others out of the water in terms of accuracy and detail.
If you're willing to consider something smaller, there are two excellent
Hoods on the market. The Tamiya 1/700 kit represents her as she appeared during her battle with the
Bismarck, and the Italeri 1/720 version depicts her as she looked in the mid-thirties. The latter is my favorite of the current
Hood kits: beautifully detailed, and showing the ship in her prime.
Hope this helps. Good luck. She was one of the prettiest warships ever.