Graham. 
First off. 
The Zed is 10 times more comfey than the TypeR (says an old fart with back problems). 
Rear wheel drive so twitchy in the wet ! 
Motorway at 70 about 32 mpg but the saying is..........smiles per gal not miles per gal. 
Depend how heavy your boot is ,on winding A road I average 27/29 cain it in traffic and it's  23 ish 
Parts from stealers are an arm and a leg,BUT the good thing is you can get most and better and a lot cheeper from the member traders on here. 
  
Things to look out for... Check the FAQs on this forum there are some guides for new buyers. 
  
We love zeds , but we are all biased  
Keep asking question on here all are friendly and helpful and know a lot more than I. They will be along later.  
Go for it