Yes probably we had this discussion.

you can collect:
- for investing money (and devesting it with a +dCVA in some years)
- because you like the watches
- because you like the watches and you want to trade
- because you like the technique
- because you want to have contacts with other collectors
- because you want to be the expert
- because you always want to have things in stock, whe smeone aslks you if you have it (the golden source thing)

any thing else....and waht is your preference?