Glenfidich is our default export whisky, and for good reason - there's a good range of ages (and therefore prices) and they've all got a good taste for the price (except the 18yo, but that's just me) they're what I'd call a "traditional" whisky taste.
Royal Lochnagar have a more fruity undertone, I've only ever had their 12yo, and it's good, very good. Imagine if you took the sweetness out of perry, tippled the alcohol content and gave it that warm whisky after-taste. That's not quite what it tastes like, but it's as close as you'll get without buying a bottle.
Glenmorangie I'd call a beer drinkers whisky, it's very pale and has a very light taste, but retains the warmth of a nice whisky. Not my tipple, but good with a meal (such as haggis; it is Burns day after all) as it won't overly contaminate the flavour.
Johnny-Walker is a blend rather than a single malt, but it's a good blend, with a range of quality and budgets their Red is an incredibly good quality for the price and their Green is as good as many single malts (and better than a few too!) purity is not always for the best.
None of these are peaty/smoky, some have more flavour than others, but they all conform to the idea of a "normal" whisky and you shouldn't be disappointed with any of them - can't comment on cost, but they're all good value.