Is this common?
Yes
Is there a simple fix
Yes
It will be the shift rod bushing and the rear coupling
The shift rod bushing is a $1.00 piece of plastic that holds the rod up in the tunnel
It is the culprit that makes your gear stick rattle.
Not REALLY your problem here but change it while you are at it and the difference is night and day
The rear coupler is the piece of rubber that is in a housing that joins the shift rod to the transmission.
THIS is the main culprit.
Put a short shift kit in and you will have an excellent set up
You need to be a little careful putting it all back together to make sure the plate goes in the right spot.
The CSP link will tell you how to adjust it though
here are some links to read
Rob and Daves brilliant site (save this link. It is your best friend)
http://www.vw-resource.com/shifter_bushing_replacement.html
http://www.vw-resource.com/shift_coupler.html
AC Net article n changing the bits and a few other things you may be interested in
http://www.aircooled.net/gnrlsite/resource/articles/mods.htm
CSP link on how t adjust the plate
http://www.csp-shop.de/technik/pdf/deeng/21574.pdf
an exploded picture showing the rear coupler
http://www.oldbeetle.net/pcat/epc.html
This one is also BRILLIANT
it is a chopped up view of inside a beetle tunnel
http://www.vwdcqinc.org.au/vwdcqimages/insideabugimages/insidetunnel.html
Anyway - have fun
Barry