I'm not sure if I'm good enough to create my own samples that way but I guess it's worth a try. For now I use the libraries below (copied from another forum i wrote this topic about):
From Cinesamples -
For Brass - CineBrass Core and Pro
Strings - CineStrings Core
Woodwinds - CineWinds Core and Pro
Harp - CineHarp
Percussions - CineToms, Deep Percussion Beds 1 and 2, CinePerc EPIC, Drums of War 2
Choir - Voxos
Piano - Piano in Blue
Solo Cello - Tina Guo Acoustic Cello Legato
Solo Violin - Taylor DavisOther Brands -East West Quantum Leap Symphonic Orchestra Gold Edition (I'm actually disappointed by this library. The percussions aren't that bad tho)
LA Scoring Strings 2
LA Scoring Strings 2 Sordino
Cinematic Strings 2 (my favorite)
Afflatus Chapter I Strings (very good library but didn't use it too much for now)
Native Instruments - The Giant (Piano)
Tonehammer - Epic Tom Ensemble (I guess that one isn't available anymore)
Sample Logic - Cinematic Guitars 1 and 2, Cinematic Keys, HAVOC
Impact Soundworks - Shreddage
MusicLab Real Guitar
MusicLab Real LPC
Amplitube 3
Toontrack EZDrummer (various sets)Lead vocals-
Zero-G - Ethera Gold 2.5 (Clara Sorace and Daniele D'Andrassi)
Zero-G - Ethera Gold Sahara Voices
Zero-G - Ethera Gold Intimate Vocals
Best Service - Shevannai, the Voice of Elves
Sample Packs-
KeepForest AizerX Free Pack
KeepForest Hybrid Cyberpunk (Free Pack)
KeepForest Evolution Devastator Warzone (Free Edition)
KeepForest Ferrum (Free Edition)
KeepForest Risenge (Free Edition)
Alex Rome Sound Eternal and Mainstage Vocal Collection
Duende Sounds Evince
that's pretty much the most important part (probably less than half of what i own).
I still didn't release anything with the newer libraries or Sample packs tho.