I would suggest Gator's Grip acrylic hobby glue for all your PE, and only use CA when the parts are to small to relly get a hold on. IE: Gator's Grip takes longer to dry than CA, hence you need to hold it for a while (or use clamps or something) while it dries. For railings you could use small amounts of CA (dots) on certain places along the railing to place it correctly, and afterwards use Gator's Grip acrylic hobby glue along the railing to secure it.
/Best Regards Pontus
New owner of:
Titanic 350 Minicraft Many PE parts Awaiting scaledecks Davies-Garners fantastic book TITANIC - The Ship Magnificent