I've looked at a few machines to date but really not sure what is best for me. From the UK I contacted bionica systems which have a machine at 13k plus vat without any vacuum extraction. The model that will be large enough to work with the above sheet size is the F105. Below is a link
Paul welcome to the forum.

The link you refired to used to be Machant Dice if you do a search on that you will see a lot of reviews

I actually have the misfortune to look after one the same size you are looking at.

There is a guy on this forum that could make you a machine of that size either a vertical one of standard type. I have seen both types that he has built.