It's more the contrast with the old system, which depends how much you raked the old one before you replaced it. Some guys really give their pieces a hammering, and leave it till it's starting to look a bit ratty before they replace it, and then of course there is a big contrast. (To be clear, I'm not saying Jimlad does this

. It's always tempting to conclude that it looks OK and just leave it that bit longer rather than spend money to replace it, but it's better to get into a regular pattern of retiring systems before they start to deteriorate visibly.