You can add as many packs as you like...
Contents of the DriverPacks are listed http://driverpacks.net/DriverPacks/overview.php
click devices 
There are also 3rd party DriverPack available (topic is in the forum)
these are complimentary to the main packs and include stuff like monitors, printers, webcams, modems, phones, HID, and scanners.
http://forum.driverpacks.net/viewforum.php?id=13
All known hardware is supported
- unknown hardware support is added as it is reported 
We can't very well add it if we don't know about it can we?
Please read the tutorial(s), FAQ, and home page info before asking.
99.9 % of all questions are already answered and in plain site 
the search feature has been known to work too 
we are a lot more freindly if it seems like you at least tried to find it yourself.
Welcome to DriverPacks
I hope you have an awesome day!