There has been plenty of positive chat coming out the Waratahs new base at Daceyville in recent weeks and they’ll get their first chance to back it up tonight when they face the Highlanders in their opening preseason trial in Queenstown. The Tahs will play two trials and at next week’s Brisbane 10s and with their opening Super Rugby match just over three weeks away, there are still plenty of questions to be answered. Here’s are five things to keep an eye out for in the next few weeks. Battle of the big men Following the departures of Dean Mumm and Will Skelton, the Waratahs will look to two new faces in the engine room this year. Former Reds veteran Rob Simmons will more than likely occupy one of the two starting spots, leaving former Brumby Tom Staniforth, Ned Hanigan, Nick Palmer and Ryan McCauley to battle for the other and a spot on the bench. Hanigan has reportedly spent time at both lock and in the backrow during preseason but Staniforth and Palmer will get firs