What's a good combo with CompSci for masters?

[Vanquish59]

Guys, I want to pursue a masters degree after my bachelors degree in computer science but frankly I'm confused which direction to go.

Some ideas:

1) Computational Finance

2) Bioinformatics

3) Biomedical Engineering

4) Some other field of finance

Have any of you done the above and please would you tell me about it? How it ended up financially? Were you happy? It wasn't a waste of time, etc etc..

I would like to do mostly programming on the job and not too much algorithm development. Also, which field is the pay the most?

Thanks guys.