Alpine INE W987D

Hi everyone, our Columbus navigation system was stolen the other night and my insurance will provide the same system as a replacement

Problem is, it will only be a matter of time until the unit is stolen again, as I have to park on the street. So this doesn't seem like the greatest solution.

I've been looking up removable face navigations and found the Alpine INE W987D as a suitable replacement.

However it is very expensive, almost a quarter of the price of what I bought my Octy for. 

Does anyone have alternative suggestions? Which will fit into the 2009 1Z Octavia and work close to the same? 

Thanks in advance for any input.

Merry Christmas to all!