I love Plomb!!! I have three so far........a courier, ggh pt and weekender on the way!
Plomb really varies from bag to bag. Mine are the darker version but still different from black. The light version is outrageous and I'd love to get my hands on clutch with SGH or GGH in it.
South of france's day bag looks like the lighter version. I saw it on a Hobo with SGH and it was truly amazing. Here's a pic of my darker version of plomb. The leather is so thick and yummy on this bag.
That being said......I also have a 05 Black City that I adore. It's perfect and slouchy and reminds me of Nicole Richie's bag. I think you should go for the plomb now while it's still around in stores. And, in the meantime, keep your eye open for a 05 Black City on fleabay.
here's my black s/s 05 city