Due to government advice on Coronavirus/covid-19, all sessions are now suspended until further notice.
The presenter defines a strong opening hand as 20+ points (including distribution) and suggests that traditional Acol with its five strong 2-level bids is inefficient. His preferred method is Benjaminised Acol, allowing 2H and 2S to be weak bids, with 2C as, "I have a strong hand but need a little from partner to get to game", and 2D as, "I have game in my hand, do not stop bidding, however weak, until game is reached".
This is a useful structure for new partnerships as it is clear and straight-forward. As they develop the partnership, there is plenty of scope to add any desired “whistles and bells”.