I'll continually edit this to make it a true mega thread. Feel free to post your old school favorites
[url=https://archive.org/details/phurion_progression]Phurion: Progression[/url]
^^ This is still the best H2 montage I can remember.
Edit: Disclaimer*** this is not my gameplay or my editing. If you want my one and only montage I'll post eventually.
[url=https://m.youtube.com/watch?v=EX6fg5ZJcdY]The Finale: Edited by Phurion[/url]
[url=http://www.thehaloforum.com/videos/brad-final-montage]Brad: The Final[/url]
[url=https://archive.org/details/definition_of_talent]The Definition Of Talent[/url]
[url=https://archive.org/details/vivisect_h2m1]Vivisect Montage 1[/url]
How could I forget [url=https://archive.org/details/tweak_theriot_h2m1]Tweak: The Riot[/url]
[url=https://archive.org/details/deadserioustage]lThe Dead Serious Tage[/url]
[url=https://archive.org/details/h2_zola_trinity]Trinity: Edited by Zola[/url]
Halo 3
[url=https://archive.org/details/dutchy_h3m2]Dutchy Montage 2: Edited by Phurion[/url]
More H3 to come.