You might want to increase its size a bit and make a mini-vertical-table so that you don't need to take it off to replace with the vertical table. There are pictures in the Photos section for them that can be left on when the saw is used horizontally and are instantly ready for vertical use.? Not big, but enough for most jobs.
Only thing I can think of which might be a problem (and it is how ever you make any scraper) - check that the top surface of the guide roller block is square to the blade - often they're not - jv