As for shooting digital:
Digital is very similar to shooting slides, you have to nail the exposure, there is very little latitude. If you do error, as with slides, it is safer to underexpose than overexpose, but not much.
Learn Photo-Shop. It is a monster, but it can do everything. The first thing you need to master is 'LEVELS' This helps you fix the exposure and contrast problems created by the lack of latitude.
Practice, Practice , Practice. Film is cheep, but digital is FREE!!!