Here's my 2000 Buenos Aries with lots of upgrades, nothing left is stock. Last spring I upgraded the 9s 105 to 10s Dura-Ace all around with 28h DA/DT Swiss wheels that I built myself. I was even able to find a NOS DA threaded headset. Last week I more or less completed the upgrades with a Thompson seatpost I found for cheap at a local bike swap meet and a NOS Dura-Ace stem from ebay. This bike isn't a feather-weight, but it rides smooth and stable all day. I love it!