this is the best version to run if you have a powermac g3 or g3 imac as it is alot less cpu intensive then v2.0 or v2.5
you need to be an approved member of this forum to visit the link to download:

download:
http://macos9lives.com/smforum/index.php?topic=355.0
external link:
http://macintoshgarden.org/apps/reason

documentation:
http://www.macos9lives.com/downloads/manuals/reason/reason_1.0_gettingStarted.pdf
http://www.macos9lives.com/downloads/manuals/reason/reason_1.0_keyShortcuts.pdf
http://www.macos9lives.com/downloads/manuals/reason/reason_1.0_MIDI_Charts.pdf
http://www.macos9lives.com/downloads/manuals/reason/reason_1.0_keyShortcuts.pdf
http://www.macos9lives.com/downloads/manuals/reason/reason_1.0_redrumReference.pdf
http://www.macos9lives.com/downloads/manuals/reason/reason_1.01_whatsNew.pdf
http://www.macos9lives.com/downloads/manuals/reason/reason_1.0.1_rewireInfo.rtf