I am the master of my Fate.
Toshiba U7980 has 700 nits peak brightness. IMO 400nits is acceptable in budget TV(s). To get > 1000 nits peak brightness one will have to shell out more money on SONY/Samsung TV(s). And with that you can't compare the HDR performance of high-end TV with low budget ones.
Toshiba is pretty solid on features and cost but only downside is the OS and After Sales Service.
If you notice Deep Blacks and Pop-out colors then the TV has Local Dimming and almost all FALD has this Local Dimming feature.