Here's what I'd love to see:
1) Casey's full text message records from May, June & July (and any time before May if obtainable)
2) CA and GA's text message records from same period
3) Any recorded messages from A home answering machine from May, June & July
4) Full employment time records for Cindy, George, and Lee including vacation time
5) Credit card receipts and statements from May, June & July (especially any gas cards and the JCP card)
6) Any luminol results or black-light results from inside the A family home
7) Results from tested dirt in backyard (where cadaver dogs hit)
8) Full forensics and reports on CA, GA, TonE's, and Amy's crashed vehicle as Casey had access to them
9) Forensics on anything retrieved from Casey's car (gas cans, trash bag, maggots, any dead flies, clothes, boots, bookbag, dirt, etc.)
10) Forensics on any vaccuums (especially garage vacs) from the A family home
11) Forensics on the vaccuum at the gas station Casey used to clean TonE's car
12) Testing on sink traps and drains at A family home, washing machine, etc.
13) Surveillance videos from Amscot
14) Full Facebook and Myspace logs, entries, messages to and from Casey
15) All images and data retrieved from Casey's laptop and any of the A family computers
16) Statement of Annie
17) Videos from all visits of A family to jail (those which have been withheld)
18) Genetic testing to determine father of Caylee
19) Testing of sink traps anywhere Casey could have showered or washed clothes (RM) (TonE)
and so on