In reply to galpinos:
> I realise lots of companies sub contract design and manufacture but who's tents do TNF re-brand?
AFAIK they don't (although I'm more than willing to be corrected).
That said, I don't know what their tent design team is playing at, whoever they are. They are ditching a popular and proven product design (Tadpole) and jumping on the bandwagon of needing to have a 'new, innovative' design (Tadpole Pro) that seems a clear backwards step in strength and robustness.
However, going back to the OP's question. The tent is a direct copy of the well-established Terra Nova Quasar so performance wise it will be a pretty safe bet. The weight penalty vs cost saving trade-off is clear but for me the biggest issue would be the long-term durability (5+ years) of the ground sheet and fly. Unfortunately that is something I think you won't be able to get any info on so you'll just have to make a decision.