Resorts suitable for family of mixed abilities

Help please. We've decided to go skiing as a family next year 2005
probably at Easter (end March) & cannot decide on a resort. We parents
are complete beginners but intend to take some dry ski lessons first &
also at Milton Keynes (real snow). Our sons (aged 16 & 18) will have 4
& 6 weeks experience from school trips & are looking for somewhere
with a variety of runs. We've heard that Austria is best for beginner
ski instruction but I also like the idea of chalets (mostly in France)
or club hotels & am not too keen on the purpose-built resorts (les
Arcs etc.) So any suggestions please.

We have looked at Cervinia & have now received suggestions of Alpe
d'Huez & Serre Chevalier - all good for late snow. The French resorts
look a lot larger than the Italian one - is that good or bad?

Zed