I know the Wetherspoon concept has its critics and some people probably prefer to visit a more authentic or typically local pub but I feel that the value for money offered by the Wetherspoon chain pubs is mostly excellent although I find the quality of the food served somewhat variable.
For an excellent list per UK region see this link. I have visited the following pubs so far (click on the name for a photo of the pub):
Scotland
- Aberdeen: The Archibald Simpson
 - Aberdeen: The Justice Mill
 - Airdrie: The Robert Hamilton
 - Arbroath: The Corn Exchange
 - Ayr: The West Kirk
 - Braehead: Lord of the Isles
 - Dundee: The Capitol
 - Dundee: The Counting House
 - Edinburgh: The Alexander Graham Bell
 - Edinburgh: The Playfair
 - Edinburgh: The Standing Order
 - Edinburgh (Leith): The Foot of the Walk
 - Elgin: The Muckle Cross
 - Glasgow: Camperdown Place
 - Glasgow: The Counting House
 - Glasgow: The Crystal Palace
 - Glasgow: The Edward Wylie
 - Glasgow: The Hengler's Circus
 - Glasgow: The Sir John Moore
 - Glasgow: The Society Room
 - Glasgow (Shawlands): Sir John Stirling Maxwell
 - Glasgow Airport (airside): The Sanderling
 - Glasgow Airport (landside): The Sandpiper
 - Greenock: The James Watt
 - Inverness: King's Highway
 - Kilmarnock: Wheatsheaf Inn
 - Kirkcaldy: The Robert Nairn
 - Paisley: The Last Post
 - Peterhead: The Cross Keys
 
England
- Blackpool: The Auctioneer
 - Gatwick Airport (airside): The Flying Horse
 - Gatwick Airport (landside): The Village Inn
 - Newcastle: The Mile Castle
 - Newcastle: The Union Rooms