| 10.2 would be better. 10.3 would be better still. 10.4 would be...well, that's debatable. A lot of people still think 10.3 is more solid. So I'd recommend at least 10.3, and 10.4 if you want to be on the cutting edge.
There's no reason to take baby steps here. You'll definitely want at least 10.2. It's a lot faster and better than 10.1, and a lot of software won't even run on 10.1 anymore.
If you're going to install any version of OS X, make you sure you upgrade your iMac's firmware first. Also, make sure you have enough RAM. Any less than 256MB is probably too little. |