I always rode Steel, starting on the basic then 531, I thought aluminium would be too harsh & not as durable (I was wrong) I now have 3 Aluminium bikes 2 MTB, 1 cyclocross/.road, I thought carbon is not for me too easily damaged & only for those who have their frames bought for them, ( I was wrong ) I have had 1 carbon bike, very light very fast & responsive & very strong, the only thing I didn't like was the massive head tube but its like that to give it strength. I have had 2 titanium & am in the process of building another, 1 Airbourne Chinook ( now Van Nicholas) sold in a moment of weakness I saw it the other day it still looks brilliant, 1 Sunday Cycles Silk Road Pro ( now Sabbath ) I cracked this, got it welded up again and rode it on fixed for a while, I am now building a Kinesis Gran Fondo. So which was the best bike? well I don't have a favourite they all have their good & bad points, my favourite material is without doubt titanium having worked with it, its strength to weight ratio is amazing its also corrosion resistant & doesn't need protecting.