Fusion was the entry level Rocky, not the lightest, spec'd out with Deore DX, or even Exage Mtn in '88. Would've been abt CDN$650 for the whole bike new, years ago.
Hierarchy was something like TiBolt/Thunderbolt/Tantalus, Altitude, Blizzard, Equipe/Avalanche, Hammer, Fusion.
Happy bidding!