Ideally, one would favorite different Youtube users in their respective Youtube account and follow latest video update. There is another option to check Youtube homepage or use search bar at Youtube. Here is most simple and quick way to keep track of latest Youtube videos from any user – using Youtube Video RSS feed of specific users.
Just add above RSS feed to your feed reader (like to Google Reader). Make sure you replace username with relevant Youtube username like checkout Google RSS feed for Youtube vidoes, it got great videos for budding bloggers. Similarly, you can subscribe to Youtube video updates from any Youtube users and get instant update of latest videos. source