Me too! I love Umbreon (in Germany it's called "Nachtara" from night )! Since I played Pokemon Colosseum I am even more addicted to eeveelutions *-* In Pokemon Platin I even made an evee-army with about 15 evees and even more eevee evolutions.
Man, you don't wanna know how many steps it takes to hatch an eevee ._.
Reports have been heard that Slyveon might have one of the new types. It's said that there might be two new types Sound and Light. Pokemon.com and their other workers say if there will be sound and light type then Slyveon might be a light type