hi.
The best advice i can give it to be prepared. have all your aerodrome charts ready, and if your really nervouse make notes, for example draw the circuit on it for the expected runway. You could also try and write down on your kneeboard
QFE _______
QNH ______
and simply fill in the blanks as you hear them. it's much easier than writing it at the time and it illiminates any confusion.
Dont for any reason be tempted to take a GPS. if you couldnt do it you wouldnt be doing it.
In my opinion the GPS has a single role in GA and that is to be used as such things as DME's (of course not for use in IFR, but the information is allways usefull. and at a fraction of the cost.)
All the best. You'll have a ball and it will feel so good when you park back up again at the end.
J