Hey Doug,
Well my father, uncles and cousins have been using the crossbow for as long as I can remember and about 5 years back I purchased one myself and got into the game. I own a Barnett RC 300 and my dad shoots Crissbow. My unles and cousins have moved up to the Excaliburs Exomax.
As far as broadheads everyone here uses these:
Admin Edit: Link Removed, try posting apicture of it next time.
They do a very effective job on whitetails and with good shot placement you wont be walking far. When the blades expand on contact they punch a hole 2 inches or better and usually go clean through. Easy tracking and big blood trails make for dead deer and happy hunters.

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Try'em out, I think you'll like'em. Hope this helps.
Cheers,