In reply to HP:
Not sure if they're made anymore but the old Khyam Ridgidome tents are nigh indestructible.
Mine is twelve years old now and has seen lots of weather. It won a game of last tent standing on a camp site when a hurricane blew through North Wales some years ago.
Down side is that it is huge and heavy when packed but it pitches in a few minutes and the XL model I have fits a family of four nicely