i have a danvice true rotary also . for the money its a good vice .
a few things they fixed with it was they make an extension jaw which gives more access from the back but for around 85 bucks its a nice vice. once you get to learn how to use the rotary feature you will love it .
TO HELP YOU DECIDE SEE LINKS
choosing a vice http://www.flyfisherman.com/ftb/hwv...index.html
ranzeti makes good vices as dose griffin or regal
I hope this all helps you to buy a vice that will serve you well .
Take a kid fishing