Simple question but the answer is a little complex - not complicated just complex.
a) I like dry wine so drinking a brut mead is not a problem for me. (Coke or Pepsi or any soda for that matter tastes sickeningly sweet to me)
b) if the mead seems to me to be flavor thin (because I am using only 1 lb - 1.5 lbs of honey in a gallon) I add spices or fruit or herbs - My gruit mead medalled a couple of years ago at the mazer cup. ( I use 1 tablespoon of each of the gruit herbs per gallon and make a tea from these herbs and use the tea to mix with the honey - I am about to experiment in the next few days adding echinacea to the gruit herbs (heather, yarrow, mugwort, sweet gale)
c) I carbonate. Carbonation does not add sweetness but it does add the perception of more flavor and it is flavor that I am looking for.
d) I have been experimenting with 5-7 day meads (yes! bottling after a week). That often means there is still a few points of residual sweetness. You have to keep these bottles in the fridge.
e). For my session meads I look for varietal honeys - (not clover or wildflower but raspberry or avocado or neam (an Indian honey), Tupelo.. These honeys are flavor rich.