I can't comment on Raqspace, I use Dn.
As for your question, if you have a dedicated server you can configure all that (or have it configured for you).
You need to use the Apache module
Mod_Bandwidth. See:
http://www.cohprog.com/mod_bandwidth.html
------------------
Regards,
Arie Slob,
InfiniSource, Inc.
http://www.infinisource.com
Internet & Windows Resources