turning up on satin-clad rockers and in the decorating schemes of swingers' houses, tweeny bedrooms and heavy metal muso digs. Yes, purple's a tricky colour, but it can look amazing in the homes of those who know what they are doing. Perth couple Matt and Purple crocus bulbs, past their prime N.Y. My younger son Stephen moved this spring to a friendly five-bedroom home in Hunterdon County. He