Macallan cannot make a bad malt, in my experience. They're all exceptionally smooth.Normally drink Johnnie Walker Black and Green Label. Macallan 18 is my favorite, but don't drink it too much because of the price.
For single malts...Talisker,Glenmorangie,Oban. 18yo Macallan is probably the finest liquid I've ever enjoyed...Islays,esp Bowmores, are like chewing on a chunk of peat IMO. Too much for my taste.
For blends..Haig and Haig Pinch is actually quite nice..
I had to buy a Laphroaig simply due to price; I thought "if it's this much more than the rest it must be good." It was ok for an Islay but I'm not sure I'd buy it again. Bowmore I couldn't stand.
I tried a lowland single malt a while ago, and it was too light headed tasting. Like it couldn't make up it's mind or something..