Im in the process of planning a lawn renovation this coming spring. My intention is to replace the existing turf with another type of turf. A couple of years ago, I started off by using Round-Up to kill the turf, mowing low and roto-tillering the soil. Like the residential homeowner that I am, I seeded using off the shelf lawn seed by Scotts and their Starter fertilizer. The project came out great, but now I want more. This time my project involves a larger parcel and I plan to have the soil tested and do what I have to do to balance it out. I have several questions that Im still unclear about: 1. Should I still kill the turf (approx ¾ acres) with a product like Round-Up or would roto-tillering it be enough? 2. I live in Western Massachusetts (Zone 7) and am interested a Kentucky Bluegrass (i.e. Midnight, Midnight II or Bedazzled). Should I be looking at a blend vs. going with a straight Kentucky Bluegrass? 3. Where are people buying their seed? Does anyone have any experience purchasing from www.turf-seed.com ?