TBH if you planning on getting a toon donor bp,weapon/weapons, weapon augs and or possibly legs then any melee class would be fine and get the job done for small solo things and help to groups/raids.
I say this because beastlords are not very high on the dps charts paired to other melee and with legs/weapons/weapon augs you will keep yourself alive from procs much better than you would think. In the end like you said and I agree with "I'll probably just pick whatever I want to play in the end" for it's all about having fun and a good time so just wanted to point out if plan on donating for these item's listed any melee class will work and some are far more sought after then others per there dps, and let's be honest doing a great deal of dps is always fun and puts a smile on your face
