I currently use Terminator and I don't have many complaints about it. It's almost as good as iTerm2 in my book. The only reason it's worse is the global hotkey for hiding and showing the window breaks ...
Whether you're curious or need to get something done, if you're on Linux, sooner or later, you're going to have to deal with the terminal. It's not so scary. Here's how to get started on the Linux ...