I prefer Corally's, never had an issue with all the years racing.
Plug straight into lipos and don`t seem to deteriorate with age.
Ok you have to make sure you don`t plug leads in the wrong way round but a little bit of care cutting wires the right length and routing wires so they cant be confused sorts that out.
Something like this :
http://cgi.ebay.co.uk/4-mm-Gold-Plat...item53e15f8876