I thought BB2 was a lot better than BB1 so I'd like to see a group like that in the new house.
It's also possible that they'll select types of characters that we haven't seen yet to keep the concept fresh.
If older or (older acting) housemates are put in there I hope they just be themselves and don't try to emulate the younger bubbly ones.
But I get the feeling that Big Brother needs the mature housemates more than they need Big Brother and that's why so few applied.
The producers require people like that for the balance of personalities in the house, I think.
Did you know that Anne and Natasha only got 16% of the vote between them to go in to the house last time?