I'll drink soda out of pretty much any container--I'm really not that picky.  Don't drink it every day but when I do it needn't be out of glass/aluminum/plastic either way.  
Like many of the other posters, however, an aluminum or nickel alloy can imparts a metallic taste to the beverage inside.  Glass is more inert and doesn't do this.  I personally don't have the taste buds to differentiate between glass and plastic--they're pretty much equivalent to my palate.  
I don't drink beer, but here in Hawaii we are close enough to the Philippines that every once in a while I am able to pick up a six-pack of imported coke in glass bottles made with cane sugar.  Hands down, this by far and away the best tasting soda.  My husband works for a soda manufacturer here on island and judging by some of his work stories, the plant here wishes they could afford to mass produce glass-containered soda made with cane sugar.  Cane sugar's no longer a major agricultural product here in Hawaii (though it used to be), so everything that the soda plant bottles now is put into either plastic or a can.  Incidentally, it turns out that cans are WAY cheaper than the plastic slips used to make bottles.  I was also surprised to hear that the company uses the same size/density plastic slip to make all their plastic bottles, from 2 liters all the way down to 16 oz soda containers.  This is why a 2 liter bottle feels much thinner than a 16 oz bottle.