Have a look at these projects:
http://docs.moodle.org/en/Student_projects
Want to see some of these features done sooner rather than later?
Do you happen to know some students who are good programmers?
Want to help give them some work over the Northern summer (May-August) ... and US$4500 paid by Google?
Encourage them today! Applications close next Monday!
Martin... do you know any SUPERHUMAN student to make those projects for you? 
No, that's why I posted this request. 
Do you plan on having students do all these projects, or will you select only a limited number? If so, can we Moodle users vote on which ones we most would like to see?
The students get to pick what they want to work on. I'd love to see them all being done, but we'll have to see what we get. If we get a lot of good students vying for a small subset of the projects I will certainly encourage some to consider other coding projects.
I'd love to see one of them finish the global search.