Which Gossamer Mail templates are you talking about? The original simple templates were created by a programmer. They might not have been too aesthetically pleasing, but they were designed for easy modification. About 98% of the HTML was good, valid HTML. On the other hand, the default templates were designed by a 'designer,' but IMHO weren't too aesthetically pleasing either. <shameless plug>That's why I myself went and revamped the simple template (which will be included in the next release)</shameless plug>. We also got another designer to create a new default template set. Either way, none of these template sets are 5 minute jobs. Creating a good template set, which can be easily customized takes a long time.
To be fair, vBulletin's been around for quite a while now. They've had a lot of time to add those features (IMHO, some are somewhat useless). What would be more constructive, as others have mentioned, is making a list of features you think are useful. If there's enough interest in certain features, they will get added.
Adrian