I'm about to go on a trip and I'm wondering if anyone has tried both MaxiVista and Air Display as monitor extenders for Win7. MaxiVista was first on a PC and Air Display is still in beta for PC.
I've used both.
Air Display is better at updating the iPad display quickly and smoothly. Air Display also has some additional features, like being able to use the touchscreen as a mouse, and it can be used with both Windows and Mac, so I'd say it is a better deal.
Maxivista is a little easier to get set up on Windows. It just worked. I had to futz around a bit to get Air Display to work, but it wasn't too hard (just have to remember to Run as Administrator).
For more details on what I found when I compared them, see my blog.
if you only use windows, then you should go buying MaxiVista as it's stable and works great.
Air Display was firstly for iPad as a extra monitor, and they are now doing the Windows part witch can take time.
But there again... the Air Display beta is free while MaxiVista costs 40 bucks (or $100 is you want mirroring and high res)
my recommendation: try Air Display for free :)