It's so sad to think that if Nintendo had bought Rare instead of Microsoft, Banjo-Kazooie would've been a Smash Vet since Melee (they were considered for SSB64 and were planned to be in Melee until the buy out). I also could have seen Kameo possibly making it into Brawl. Ntm both series would likely both be thriving as Nintendo franchises stilling going today, with Kameo first appearing on GameCube like she was supposed to, I mean she was on the GameCube's box. I could have even seen a Viva Pinata Assist Trophy. Perfect Dark could've been Nintendo's answer to Halo/Gears & Killzone/Resistance (and with a female lead to boot), could've seen Joanna in Smash eventually as well.
Rare as a studio is dead, Nintendo just needs to buy a few of their IPs, namely Banjo-Kazooie, Kameo, Viva Pinata (didn't start or plan to start on a Nintendo system, but it'd work so well on Wii U) and Perfect Dark. Killer Instinct has been revived on Xbox (by a non-Rare studio) and Conker is going to be featured in Project Spark for Microsoft systems, so no Conker or KI.