So what is a good distance? 90m average "is ok"?? I find judging distances on water difficult but thats significantly more than what i'd be averaging I reckon (Tcurve GT Special/Stella). Good excuse to go out and practise some more at the islands I say
There are so many variables that dictate a good cast - anglers ability/technique, rod length, rod action, lure weight, line diameter, wind etc.
Don't think that I am playing down a 90m cast - it is a very good cast, just not as outstanding as you may be able to get with such a rod (with all things being equal). It comes down to refined technique and timing - not something that even I can read prior to fishing and go immediately implement with perfection.
With an 8ft rod and PE6-8 line, I would expect a refined technique to get 90m+ personally.
Practice, Practice, Practice!