Just to add to the confusion I am in the other camp so to speak.
We weighed up the pro's and con's and bought in the UK at half the price for exactly the same items (same brand and model numbers). As we were shipping furniture there was no additional cost for extra items in the van. OK, I appreciate the warranties are now invalid however based on the prices we got even if the Fridge freezer decided to pack up and had too be replaced with spanish prices we would still be quids in.
If two of the items pack up then we will be out of pocket.
Just to edge our bets we have left the UK plugs on with the recomended fuses with a spanish adapter so if there is an issue with the electrics hopefully the fuse would blow rather than the machine!
We don't rent out and so the usage is pretty low so have taken the 'risk' but so far so good!
Brett