And all that Pac-Man yellow! Apart from other connotations of "yellow", it's a bit ironic when we've just got rid of yellow Sar birds.
You don't need to tinker too much with the roundel; one of the best logos IMHO is that of the BenFund, who just replace the red centre circle with a heart.
Very effective, obviously RAF connected - and probably quite cheap. And not bollocks!