Hello adrian,
I grew this the year before last, and intend to grow it again next year. The actual fruit is delicious, about the size of a lemon, and certainly worth trying. My plants didn't actually grow that tall, but I just put simple canes up, and they may have struggled to climb vertically, without a trellis. Mine ended up at about 4 ft high, perhaps slightly less. The wigwam sounds a good idea.
Hope you are pleased.
Derekthefox :D