Fine for the prospecting list. Email coverage is the highest I've seen for Australia B2B data. Bought it as part of a wider computer retail store expansion into Australia. Connect rate could have been higher with cleaner mobile numbers.
Good to know what worked and what didn't, the points you raised are on the refresh checklist for the next pull. If you want the gaps fixed sooner than the next refresh, open a support ticket and we'll spin a one-off pull.