[symphonix]

I'd recommend the Nikon over the Olympus as you will find a larger range and easier availability of lenses, flashes and other accessories.

I've used one of the Olympus D-SLR's (can't remember which one it was) and while the image quality was good (and it had a very good ISO range) the overall feel of the camera seemed very cheap: awkwardly positioned controls, a poor LCD screen and only 8 compatible lenses on the market at the time really put me off it.

This may have changed since then, but I'd still stick with Nikon or Canon for the availability of accessories, or Pentax which has about 25 years worth of backward compatibility on its lenses and make really sweet DSLRs.