Remember when this was the holy grail of nerf?

I remember. Flywheel tech was a huge thing for nerf when Hasbro figured out how to make good flywheel blasters. The Rapidstrike was a direct upgrade from the Stampede in nearly every way - more energy efficient, meaning a build could deliver the same power with smaller/lighter batteries, much less risk of runaway firing, and no worries about the geartrain breaking. The main thing that the Stampede had going for it was a very situational advantage: it worked as well with wet as with dry darts.

Before the Rapidstrike, Rayvens and Stryfes were very popular. (Barricades were good for their day, but compared to modern flywheelers . . . well, there's a reason why we don't see flywheel blasters with serrated flywheels or intended for use with whistler darts.) I remember hearing speculation that Hasbro was working on something "like the back of a Nitron and the front of a Stryfe" and that it was going to be good - and oh man, that speculation was just spot-on.

Now? Rapidstrikes are one of many good options and most people who would want one have several - but for a time, they were something quite special.