I am similar in size and use the hunters safey system. I am exrtremly happy with it and did a review on it a few years ago.
http://hunting.net/forum/tm.aspx?m=402399&mpage=1&key=&#402399[/align]There are more vendors carrying it now then when I purchased mine and of course the prices have change sinced.[/align][/align]Good Luck.[/align]