I have set the first coursework in MapleTA. The exercises were released on Sunday, by Monday, two students told me they were done (although they had a technical problem).
Two students have already had problems, because they inputed probabilities as percentages rather than numbers between 0 and 1. On the second try they seem to have scored better.
One issue with getting Maple to make their results is that it is hard to give them method marks. On the other hand the computer marks them, so they can see any errors immediately. I am hopefully careful not to print out the solutions, as this would give them a big help.
The deadline is November 20th, so they have a long time to submit.