I bought this tent purely on the basis of the dimensions of the interior bedrooms which were quoted as 230cm x 230cm by the Amazon and Gelert websites. I was going to buy a Horizon 6 but felt that was just too big.
However, when I took delivery of the tent, the label on the bag showed the inner dimensions as only 210cm x 230cm. As I am over 6' 3" tall the extra 20cm was going to make all the difference. I phoned Gelert to confirm which was the correct dimension (website or bag label) and they actually gave me a different size again (grrr). In any case, I can confirm that the actual dimensions of the bedrooms of this tent are 210cm x 210cm and that both the Amazon and Gelert websites are incorrect.
I duly returned the tent to Amazon and received by refund within 2 weeks so no complaints there.
All in all though, I was extremely impressed with the build quality and clever design of this tent. It was pretty easy to erect and did fit back into the bag (with a little gentle persuasion). If you're ok with the actual dimensions, it's a really good tent.