Some comments on Hunters

[Ruvanal]

Having acquired my first pet last night I have a couple n00b questions:

I infer from the above that it is possible to tame named boss beasts, as well as elite beasts?

Yes you can tame some of the named mobs out there. But be aware that if you do, there is a bug that will prevent that mob from respawning again if you do not rename it. Some players have been paid a visit by a GM after taming Princess and were told to either rename her right then or release her. Failure to comply would be treated as an act of griefing other players.

Is there a Purena vendor in Stormwind?

I would presume that you tamed one of the wolves in Elwynn Forest? If so they should be quite content to eat any of the meat drops from mobs like boars and such, even if it is uncooked. There are also some things that they will treat as meat that you may not think of as such, for example Crispy Spider Legs. So try to feed the pet some of the white lettered drops like that to see what they will and will not eat. At level 24 the skill Beast Lore will let you see the diet that various mobs will use for food.

JustAGuy:

I'm planning on getting some sort of water based pet, so I can feed him the fish that I catch.

I am not sure about all mob types but most of the various cats have a diet of meat and fish while the bears have diet that includes just about every food catagory for pets (being the omnivores that they are). I never checked on the diet of a crab or crocadile to see what there preferences are. I am just satisfied that Ebony (formerly Humar the Pridelord, level 23+) likes pretty much any meat or fish drop that I come across.