...a cover disk has been offered before.
As for your question: it all depends. Do you like strawberry ice cream or plain vanilla?
In my estimation, UbuntuLinux is one of the best.
If you email me via the little yellow envelope, I can supply you with both live and install versions. You can then try it out. If you like it, install it - it's fairly simple. If not, just dump it.
There are a wealth of different flavours of Linux. Try a few of them!