Check out Back Water Bowfishing , bryan is top knotch when it comes to service and Quality , I bought my ams fish hawk and bought all of my supplies when I was into it.
www.backwaterbowfishing.com/
And this link will take you to the BAA , They are the largest group of bow fishers in the us , I was a member up untill this year.
http://www.bowfishingassociation.com/Next bit of advice I could give ya is Practice!
http://www.anglerslegacy.org/">
Proud Anglers Legacy Ambassador
http://www.justgoinfishin.com/bb/">
Just Goin Fishin' Message forum
http://www.anglersurvey.com/">
Anglers Survey
Charlie Hall Memorial Classic