This system has changed everything and we add something new every week.

Need I add that the album also might be referred to as being "new this week"?

In 2005, the company produced 23 commercials, nearly one new commercial every two weeks.

From the middle of the season to the end, it was something new every week.

With the new week, there is more of this to look forward to.

It keeps us excited about doing something new every week.

But having just made a new low last week, it's not going to run away.

She recorded a new single last week, and will record an album next month.

From an initial offering price of $18 a share, they closed at $39.75, a new high, last week.

It was Monday morning, the start of a new week.