These Walker's crisps seem something of an attempt to emulate the Burton's. When you open the packet, the aroma is mild vinegar and a waft of something almost fishy. When you eat the crisp it has a mild indistinct savoury flavour, a bit like a very dilute Worcestershire Sauce or Nam Pla, with a touch of vinegar. It's not particularly inspiring. I would have liked it to be much stronger.
Still it was better than the Squirrel yesterday, although that is rather damning with faint praise.