Its all honda trannies that have that little issue. b16's just tend to get more about it becuase people rev the snot out of them.
If you get new synchros again you'll be fine. Treat it nice.
beef'd sychros -
http://www.gear-speed.com/detail_synchros.html#anchor
For now, you can use some GM synchromesh fluid as a bandaid.
Part # 12377916