I've been comparing Linux distributions to find one I can use for learning Linux and as a daily driver. Most of the recommendations I've seen are Debian-based, so Ubuntu seemed like a sensible starting point because it has lots of documentation and community support.
However, the default GNOME desktop seems a little demanding for my older computer, which still runs from a hard drive. I'm considering Ubuntu Unity because it feels lighter and has Ubuntu's classic desktop interface. I tried it briefly and liked how it looked and felt.
Would Ubuntu Unity be a reasonable choice for someone new to Linux, or would I be better off using a more established desktop such as Xfce, Cinnamon, KDE, or GNOME?
4 Answers
Unity is usable, but it’s a relatively small project, so you may find fewer guides and less troubleshooting help than with mainstream choices. Linux Mint with Xfce or Cinnamon would be an easier recommendation for a beginner, and Xfce is generally a good fit for older hardware.
If you like the interface and it runs well on your computer, there’s no real reason you can’t use it. A familiar, comfortable desktop is often a better starting point than choosing something solely because it’s popular.
GNOME isn’t automatically too heavy for every machine, so it’s worth testing rather than assuming. That said, if the computer is older and you’re still using a hard drive, a lighter desktop such as Xfce may feel more responsive. An SSD upgrade would likely make an even bigger difference than changing desktops.
Unity has some distinctive features, including the HUD and Compiz effects, and it can be enjoyable if that style suits you. The tradeoff is that it has a few bugs and a smaller user base. Your choice should also depend on what you plan to do with the system.

That makes sense. The system is fairly old, so responsiveness is my main concern, but I’ll compare Unity and Xfce before deciding.