Awesome review mate, really felt like it was an honest opinion, not just "this game is incredible, graphics amazing yada yada yada..."
Good to see reviews focussing on gameplay, that's where the progress needs to be made atm imo there hasn't been a shooter as innovative as HL2 since that came out, (the variety of challenges, gravity gun and physics puzzles etc).
Having said that I played the mirror's edge demo on my mate's PS3 the other day and was absolutely gobsmacked by how close they have come to making it feel like true first person. Can't wait for that to hit PCs, damn release dates after console versions.
Although it's not FPS, so doesn't strictly fall into the same category, but Mafia II should be a good contender for GOTY 2009, 8 years since the original and by the looks of it it's shaping up to be a classic, and PC will once again be the full-featured version [top marks 2K Czech!]