Just to make sure it does not go unnoticed (I found no other reference here, but adding to an old tread seems appropriate)...
This castle set is now (re)released by Warlord Games. A bit more expensive then from TTW, but still with the splendid engineering put in by the original creator.
Between Renedras set, and with Tabletop-World also just releasing walls to attach to their Gate, we are truly spoiled for (expensive) choices...