Rising for consoles (360) still worth getting without the extra boss rush mode? Damn, would love to see this on consoles too...
It's not really a "boss rush mode". Just a shortcut option in the menu that allows you to quickly fight bosses without playing through their whole chapters. It's handy, but not really a deal breaker IMO.
If it's a "360 or nothing" situation for you, then there's really no point in missing out on a cool game because the console version lacks one or two bonuses. But if you do have a PC capable of running MGR, then there's really no point in buying it on console.