Hello and welcome to the club, I am not surprised that you have had very good offers for your Hymer, we live in the north of Spain and the prices for second-hand motorhomes is ludicrous, if Portugal is anything like Spain you are better off keeping yours because it will cost a lot to replace it. We have a 1991 Fendt 560HK which we love, it looks nothing special from the outside but the cabinetry inside is real quality, we have been tempted by a Hymer B584 but the prices are silly, plus to buy a LHD in the UK and import it involves paying import tax based on its original new price in Spain
so unless we get lucky with El Gordo we will be keeping ours for a while yet.
Phil