I booked tickets last week (2 returns) Rugby to Euston, out on Friday at 9:11 and returning Sunday 3pm. Using a TwoTogether railcard (£30 pa) it cost me £22.60 (£33.90 without the railcard).
We used to drive down, park at Edgware and get the tube in. Parking, and fuel was around £35.
I think...