DW I havn't commented on your saw yet because I'm in the dark regarding tablesaws, but just wanted to say that I agree to some extent what others are saying, and that it would be a lot of hassle for you to send the saw back - this is your third I believe and source another. You are running out of options at the price range, other than felder, hammer or Xcaliber or possibly a Jet - all of which are more expensive, are there any other options left open to you?
I had a similar experience with the lyndhurst planer/thicknesser, and like you wanted it to be perfect; afterall for me it was a lot of money and i'm sure thats the same with you, the service we have both received in these situations isn't ideal. BUT the forum members convinced me to keep the machine and fettle out the problems, it took me a while to come round to this thinking as I was quite dispondant, but I can say some months on, now that I have overcome the small issues, i'm pleased I have the machine and I love using it, just like I think you will with the Axminster saw - it's only a couple of issues that need sorting.
Make your complaints to Axminster (their service in my experience is superb usually) get any parts you need and follow the advice with regards to the clearence plate and i'm sure you'll be more than happy.
Don't give up yet DW you'll only have to go through this all again with a different problem on a different saw, life's too short to worry about small things!