I was disappointed this year that they hadn't learned from past mistakes. They need better and different tasks, and they probably need to spend more money on them.They should take a look at some of the original tasks in the US series.
The rewards were especially lame but I don't mind that.
I think they've lost a lot of credibility by offering a poor job at the end of it. But that's something they need to improve tonight, not next year.
The candidates are fine: the problem is the editing focusses on their mistakes because they are more entertaining, and so we don't get to see their good points. For example, they showed Ghazal freezing in the doggy presentation, but didn't show how Gerri saved the day and won the biggest contract of the task.
Showing more of the positive side would also strengthen the business message. Currently it is a bit too big-brother.
I am ambivalent about Sir Alan. It's a strength of the show that he picks who he wants without regard to concrete metrics, but it's also a weakness. At the end of the series I always feel a bit disillusioned, eg with him preferring Simon. I think after three series I've seen enough of him, although I don't know who would be better.