You won't find a better series than The Sopranos imo. The first season is good, but it gets much better as the series progresses.
Bought the collector's edition of their DVD box-set several years ago, and still watch it on HBO's AppleTv channel subscription.
Hard to believe we're coming upon James Gandolfini's 4 year anniversary of his death. He was a remarkable actor who somehow escaped the typecast of the mafia personality that he was most known for.
Enjoy! You won't be disappointed. A lot of people were disgruntled with the ending, but looking back on how the series ended - it was fitting that it ended the way it did.