Expensive toys

History In Orbit has an article about some fast aircraft (go there to read more and see pretty pictures):
17. Sukhoi Su-27
Top Speed: 1,550 MPH
Price: $27,000,000.

16. F-111 Aardvark
Top Speed: 1,650 MPH
Price: $25,000,000.

15. F-15 Eagle
Top Speed: 1,650 MPH
Price: $27,900,000.

14. Mikoyan MiG-31 Foxhound
Top Speed: 1,860 MPH
Price: $57,000,000.

13. XB-70 Valkyrie
Top Speed: 2,000 MPH
Price: $750,000,000.

12. Bell X-2 “Starbuster”
Top Speed: 2,094 MPH
Price: $64,000,000.

11. Mikoyan-Gurevich MiG-25 Foxbat
Top Speed: 2,190 MPH
Price: $18,000,000.

10. Lockheed YF-12
Top Speed: 2,270 MPH
Price: $18,000,000.

9. SR-71 Blackbird
Top Speed: 2,500 MPH
Price: $43,000,000.

8. X-15
Top Speed: 4,520 MPH
Price: $1,500,000,000.

7. Convair F- 106
Top Speed: 1,526 MPH
Price: $25,100,000.

6. F-4 Phantom
Top Speed: 1,607 MPH
Price: $17,883,000.

5. Mikoyan Ye-152
Top Speed: 1,666 MPH
Price: Unknown

4. Boeing X-51
Top Speed: 3,400 MPH
Price: $7,700,000.

3. X43A Scramjet
Top Speed: 7,500 MPH
Price: Unknown

2. X-41
Top Speed: 13,000 MPH
Price: Unknown

1. NASA Space Shuttle
Top Speed: 17,500 MPH
Price: $450,000,000.

Rico says he'll never fly in one, but they're fun to look at (except for the Ye-152; it was ugly), if not cheap...