There are times when things go wrong in Ubuntu that you really do need the command line. The same is true in Vector Linux. There are many things that can be handled through the GUI that are just plain faster and easier to deal with if you get comfortable on the command line. That's true in Vector Linux or Ubuntu or any other Linux.
So... my answer is that it may be a bit more work to install Vector Linux than Ubuntu simply because the VL installer asks more questions and gives you more choices of how to install. Once its running and configured properly Vector isn't any harder than Ubuntu or any easier. My advice to all who are new to Linux is first get your system running in a way that's comfortable to you. Then if you want to do something and someone suggests a command line solution don't be afraid to try their suggestion. It's isn't all that hard (or hard at all) once you lose the phobia