Rating scale:

‣   Recommend:
    10: Excellent. 
     9- 9.5: Great / Flaws I couldn't overlook / Still very much liked it
‣   May Recommend:
     8- 8.5: Average / Did its job but / Good
     6.5- 7.5: Nothing fantastic but I liked some things
‣   Unlikely to Recommend:
     4.5- 6: I expected more, wasted time
     0- 4: Plain bad.