Body fat - body water scales

Does anyone own a body fat scale? Body water? I'd like to get one to better monitor my weight loss, but don't know which are good or not. When I was doing Jazzercise, they had the expensive one with the rod you have to hold, but I don't go anymore. I found I was losing muscle as well as fat and had to adjust my diet, etc. So I really feel I need a body comp scale for home.
SF Bay Area, CA * "The Angel-Goddess-Guru of Haircoloring" 
3b/c/a mix. medium texture, low porosity
My Motto: Strand Test! some hair pics
[SIGPIC][/SIGPIC] -- gone, but never forgotten.

3b/c/a mix. medium texture, low porosity
My Motto: Strand Test! some hair pics
[SIGPIC][/SIGPIC] -- gone, but never forgotten.
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coilynapp, which one, or does it matter? I see several when I search, what do I really need?
Like this? Escali BFBW200 Body Fat & Body Water Monitoring Bath Scale
1/2 off thru amazon: Amazon.com: Escali High-Capacity Bathroom Scale with Body Fat/Body Water Monitoring (440lb / 200kg): Health & Personal Care
Would that be a good one? I do want multiple users too.
3b/c/a mix. medium texture, low porosity
My Motto: Strand Test! some hair pics
[SIGPIC][/SIGPIC] -- gone, but never forgotten.
3b/c/a mix. medium texture, low porosity
My Motto: Strand Test! some hair pics
[SIGPIC][/SIGPIC] -- gone, but never forgotten.
3b/c/a mix. medium texture, low porosity
My Motto: Strand Test! some hair pics
[SIGPIC][/SIGPIC] -- gone, but never forgotten.