OTOH, 8-unit sourcing drivers are remarkably rare considering how useful they are for driving arrays. M54564FP is available from iTead at US$3.50 which, I agree, seems remarkably steep. I've looked for octal sourcing drivers before and didn't even find M54564FP.
I'm going to prefer an octal sourcing driver in a through hole package over 8 individual surface mount FETs
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