Don't know about getting many Pikachus though. 10000+ steps before you're able to encounter the ones that know Fly, 9500+ for Surf. I'll have to load it up with an advantageous type...
Hey, well I'm being a nice guy and being concerned for your health by encouraging you to run a lot

I don't think it goes away after today though.
Also, yesterday I found this really cool group, I suppose you'd say, who do their own wifi events using the GTS event feature and give away some pretty cool pokemon. I got a flinchsparce, which is a dunsparce designed to annoy the crap outta people.