Why don't you give the grey scrollbar in this forum a fresh new color? If people are using Internet Explorer 5.5 it will look a lot better and if people have a lower version which doesn't support this code it will remain grey.
Maybe an orange scrollbar and a light orange background with a little touch of blue ?
The code is very simple:
Which should be added in the style-body of vBulletin.
Ps. For scollbar examples check the new dealerforum or my own site. Of course you can only see what I mean if you have IE5.5