What is the best method for developing for Internet Explorer Mobile 6 on handheld devices?

Question

We have customers with various versions of IE Mobile on handheld devices, and I commonly come across peculiarities when customers view our web pages on these devices. I was wondering what would be the best way to test page layouts to make sure customers
don't have issues. We currently check it on the two handheld devices we own, but this does not seem to be enough sometimes. Is there any sort of emulator available to view on the different versions available? Or would it be valid to set up a VM with a copy
of IE 6 to verify page layout? Or is there a list of what CSS properties and selectors are actually available on the devices? I keep coming across some things that are supported, and others that are not, and I can't make any sense out of why some CSS2 things
are, but others aren't. And even then this seems to change per device.

Answer 1

I'm already testing using IE7 mode with IE11. It is quite nice, but the handheld devices still do not display anything like IE7 does. More specifically the devices are running Windows Mobile 6~6.5 (I'm not positive), but that lists IE Mobile 6 as running
on that; furthermore, it seems the closest desktop browser is IE6. Which is much different than IE7.
Once I get the handheld the company owns back, someone else is using it for testing atm, I plan to run through a short script to see what CSS properties it supports. And try to figure out how to access the version information for the browser.
var testElement = document.createElement('table'),
jsTestsElement = document.getElementById('jsTests');
jsTestsElement.innerHTML = '<ul>';
for(var name in testElement.style){
jsTestsElement.innerHTML += '<li>'+name+'</li>';
jsTestsElement.innerHTML += '</ul>';
Otherwise all I've got at the moment is the user agent string: Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 8.12; MSIEMobile 6.5)
Which has led me to old blog posts and what I find confusing information that doesn't seem to show me what CSS it supports. I'm more interested in styling than developing new web pages currently.