Michael:

Your reply to me on 9 Jan says the following:

"It is a big goal for MoI to not lose the simplicity and streamlined-ness of it, the v4 UI is like 99% the same as v3.

But in an earlier reply on 26 Dec you said that " for v4 the Mac version is significantly different - it's a native compiled Mac app, while v3 and earlier used a porting mechanism called Wineskin."

Perhaps you mean the difference lies in the architecture and not the UI? If the UI is different than the version I am using now on my iMac then I prefer to wait until the launch and leave this current learning curve.
But if the UI is similar to the version I am now using, then fine.

Hope this makes sense!

Thanks

Andrew