Sounds like a good plan.
My only current mods are to maybe get a set of SM wheels for weekday commuting, since they are talking about gas prices going up this year. I have the SV1000 as my street bike, but it gets better gas mileage than the truck, but the Wr250 will get even better mileage...and would be fun to commute on. If I can avoid getting raped on their cost, I'll get them....other wise it will be a 50/50 tire instead.
To each is own, but personally, I'd stay away from any big bore kits. I think you lose reliability, which is a key point of my owning this bike. The "gas and go" is really something I love about it.