i just got my and wife's EAD approved and sent AP; so my experience is fresh.
EAD
---------
1. Check of $120 with 2 photographs, write her A# in the back of pictures with pencil along with Names.
2. copy of her 485 rcpt(receipt)
3. copy of her 1st EAD Approval
4. copy of her EAD card (front & Back) i sent only front.
5. Her original 1st EAD mailer and copy of whole page of EAD mailer which attaches EAD card in it.
6. Your MArriage certificate
7. Her I-94, with current Visa & 1st page of passport which has picture and info of passport
8. And ofcourse the Application form 765.
For you all docs are same + copy of 140 Approval notice and ur A# written back of the photos.
for AP follow this thread:-
http://boards.immigration.com/showthread.php?s=&threadid=112152
AP docs are almost same with exceptions of not sending copy of 140 and sending a cover letter explaining the reasons to obtain AP + Driver's licenses copies.
I sent colored Driver license copies for both of us.
Hope this helps.
K.