theres bugger all wrong with indesit.
I used to work for Indesit building ovens, theres alot wrong with Indesit but thats mostly the management being Italian rear-ends....I'l stop (about the management) before I start a major rant about people you don't know!
I certainatley wouldn't buy an Indesit out of principle, that and I know they tried manufacturing appliances from known to be faulty stock in gas cookers, luckily they all failed the testing
I can't comment on build quality for other departments in general but the UK manufactured goods were fine, we field tested a few, including a fridge, freezer and oven. All are still fine, my dad used to be a construction line specialist and my mum worked on the sub-building side of things till the factory was moved to Poland.
Old vs new wise, old stuff cost a fortune at the time and lasted a fair while, new costs less and is expected to be replaced by the manufacturers (at least Indesit anyway) so to keep the price down comes at the cost of longevity in general.