Abacus have released a 3 different mini collections containing 4Â of their various GA aircraft for both FSX and FS 2004:
General Aviation Collection #1
flies an Adam A-500, a Piper Tri-Pacer, a Zenith CH-801 and a Maule MT-235
General Aviation Â Collection #2
flies a Diamond DA-42 Twin Star, a GippslandÂ GA-8 Airvan, a Socata TB21 and a Socata TBM850
General Aviation Collection #3
flies an Adam A-700, a Diamond D-Jet, a Grob SPn and a Safire Jet.
All can be downloaded from here: CLICK.