Its very hard to write a guide right now with stock levels low and prices all over the place, but it is at least a guideline to which models represent best value within their respective performance categories. If for example you can't find the MU7000 in the mid range models maybe you can find the others listed for less.
There isn't a single TV I haven't considered in the guide, so if its not listed its because its either overpriced or not good quality compared to the competition. That doesn't mean you may not find a good deal on a lesser TV, just that I don't personally recommend other models.
Think about the price that you pay for a TV in the low range category compared to the lower mid range, if availability is poor on one model, look at the next. If the budget models at 65" are a good £400+ lower than the mid range then it makes sense to get one of the budget models instead. At the time I last updated the guide the lower mid range models were only £100-200 more.
As for the Hisense N6800 versus the Panasonic EX700 there is very little difference. I know people don't like to buy Hisense because they haven't heard of the brand, but they actually do have a lot in their favour compared to Panasonic.
Pros:
Users comment about above average sound quality with Hisense TVs.
Hisense sell more TVs globally than Both Sony and Panasonic. Only Samsung and LG sell more.
The build quality of the Hisense models are very good and have been praised in countless reviews.
Impartial:
Hisense' smart TV isn't really any better or worse than Panasonic's.
Cons:
People seem to be a little sceptical with picture processing not being the greatest, but really you are comparing good to very good and actually with TVs in the lower range I would be surprised if people even noticed a difference.