I agree it's a mistake to go by price alone. On the other hand, more expensive doesn't necessarily mean better.
In fairness to Virgin, he wasn't suggesting HeliAir at Denham just because it's probably cheaper, but because it has a good reputation. I don't think any one who reads this forum regularly could disagree that HeliAir at Denham and at Wellesbourn always score highly in discussions when flight schools are discussed. Their other bases don't get mentioned so often.
Jof
A word of warning.
Experience shows that some people tend to recommend where they trained, or where they instruct. Take lots of soundings, a trial flight or two, and see what you think yourself.
Good luck whatever you decide - keep us posted.