That makes me feel a whole lot better about mine although i bet with a good poke around it would be a similar state.
Been eyeing up those ultra racing braces on ebay already but seems that they are also available for about £30 cheaper from a different seller, unless I'm missing something? http://www.ebay.co.uk/itm/Nissan-Fairlady-350Z-3-5-2003-Rear-Lower-Bar-Rear-Member-Brace-/371418001776?_trksid=p2054897.l4275