I think your choices for the 5 serum tests look good.
if your calcium is high and your vit d3 is also high, that is a problem you need to address. I would fork over the cash for a current serum d3 and serum calcium as well. you might need to readjust your daily d3 intake.
I haven't read much about hair levels but maybe someone else has more to offer in that dept.
try browsing through these guys' prices for the sake of comparison: http://www.lef.org/Vitamins-Supplements ... -Tests.htm
I think anonymoose just ordered some tests through this service or something like it, within the last few days. looks like the turnaround time was nothing at all, less than a week is the impression I am getting so far.