OP, changing you trans oil seems to be pretty simple, but I haven't done it yet. Jack it up, drain it etc. getting the new oil seems complicated, but apparently you can rig some plastic tubing to get the new fluid in. Seems like its very doable.
Silver, def change the fuel filter, pretty easy and cheap, just a PITA since Ford tried to make it so you have to get a special tool. For sure the plugs as well, just take your time and use a LOT of PB blaster. If those stupid things break...
I'd just clean the injectors. Doubtful that you would need new ones. I haven't changed my cabin filter yet, but what the hell, since you already started the party... Why not?
---------- Post added at 07:30 AM ---------- Previous post was at 07:28 AM ----------
Oh sorry, meant to include OEM on the filters, Champion for the plugs and if you are doing brakes, I'd do drilled and slotted rotors with the hawk performance pads.
In the market for a Fox body...
SOLD: 2007 Performance white GT Premium.
Performance: Eibach lowering kit, SVT wheels, Steeda Camber Casters, Steeda short throw, FRPP 4.10's, Airraid CAI, BBK 62mm TB, Brenspeed Detroit Rockers, Pypes Longtubes with O/R H and Violators.
For fun: Window louvers, 15% tint, Raxiom tinted taillights, J&L Audio sub.