Definitely worth a look.
Check the cone surrounds, if they have splits or show any sagging then factor in the cost of reconing. Probably getting on for £500 from Lockwood these days. If they have never been done, no doubt they will need it soon. (I do my own repairs, but most wouldn't take it on)
The crossovers might need recapping. Paul at RFC can help with this.
The cabinets can be improved with a bit of sensible added internal bracing.
Don't let the above put you off 'cos it sounds like hassle. It's worth doing. A good pair of Berkeleys can sound spectacular and they are an investment, as values have been rising steadily for years.
It is impossible for anything digital to sound analogue, because it isn't analogue!