I don't think it's fair to compare a DW788 against a Hegner 1 SV. It's closer to a Hegner 2 SV.
So long as you can overcome the power supply compatibility issue without incurring too much expense, Mal, there's a lot to be said for the deal. I think you might be erring on the side of caution with your import duty and VAT calculation, but it's better to to be surprised by a lower tax bill than a higher one.
Hope everyone enjoys themselves at Harrogate tomorrow. It's too far for me, unfortunately.