Here is a link to a past discussion on this forum.
Gifted Development Center Googling should give you more threads (e.g., I came up with the above link by googling "sb-lm outdated & davidson gifted", and I'm sure if you tried other formulations you would find more).
I would say that unless you have very specific questions that remain unanswered, there is no point in using a very outdated test.
ETA -- Correct me if I'm mistaken, but I think the WPSSI III is also outdated.
and
Welcome! I hope you find a lot of useful information here. Hopefully someone from the North Texas area will see your post and comment with suggestions.