Sub 4gb capacity 2.5inch hard drives for use inside stock a1200's etc
ATI Radeon cards that have been tested as working in A1's to stop all the nonsense with 3rd party firmware screwing things up.
Catweasel's.
Joypads and mice for classic amiga's without using funny adaptors.
Oh and NO tacky amiga branded/boing ball merchandise(mousemats, mugs, t-shirts etc).