When I first started working in Linux, I was given a window manager named Windowmaker. It is a lot cleaner and lightweight compared to the default Gnome. I used to have five virtual desktops inside this window manager. I had customised my desktops in the following order -
- Desktop1 for IntelliJ IDEA and a command terminal to start/stop the application server
- Desktop2 for Firefox
- Desktop3 for email client
- Desktop4 for miscellaneous stuff and
- Desktop5 for IM
So for the past two and a half years, I used to move around these desktops using Alt+1, Alt+2, Alt+3 etc. As you can guess (or you may not), I have so much got into the habit of pressing Alt one-two that now I do it in Windows too! Obviously, pressing those cause nothing in Windows. Not sure if It was because I was missing my last workplace or not, but I felt really sorry for not being able to do Alt one-two any more.
Today, finally being fade up with switching between the Windows using Alt+tab, I started searching for a window manger for Windows. After a while, it seemed like Dexpot is a neat one. So I installed it and organised my windows, spreading them over the four Desktops that it has. After that, I was wondering how would I switch between the desktops and whether I can configure it to my favourite Alt one-two! To my absolute delight, I found out that it actually comes with the same short cut keys by default. Therefore, now I have multiple virtual desktop and I can switch between them using Alt one-two – just like the good old days! 
Just wanted to add that I have stopped using Dexpot. It just kept on crashing every now and then.
I have now installed Microsoft Virtual Desktop Manager and configured the shortcut keys according to my preferences. It seems to be working far better.
Cheers!