quite some

determiner3

1. •
   a considerable amount of

   • "Yes, a number of days ago. We had quite some important business to transact. He said he would come back the next day and sign some papers, and fix up some other matters. But he didn't come." — 1913
2. •
   (nonstandard) a considerable number of
3. •
   very large or impressive.

   • “That's quite some talent you've got,” Bert Richards said. “I'd like to hear you play something from an older classical composer.[…]” — 2011