Yes. The TSi range includes forgiving models, especially TSi1 and TSi2. TSi3 is still playable, but it is more about control, adjustability and precise performance than maximum forgiveness.
Yes. Titleist is one of the most established golf equipment brands and has a long-standing reputation for premium drivers, fairway woods, irons, wedges and golf balls.
As an older premium model, TSi fairway woods can offer good value on the used market. They still provide useful Titleist fairway wood technology, while often costing less than newer TSR and GT ranges.
Fairway wood technology usually remains competitive for several years.
A well-kept Titleist TSi fairway wood should remain a good option for a long time if the loft, shaft, model and condition suit the player.
The main improvement is the focus on ball speed, face performance, improved stability and clearer model choice.
Golfers coming from older Titleist fairways may see better speed on mishits and more confidence from different lies, but the biggest benefit comes from choosing the TSi model that matches the role they need in the bag.