Why is England going crazy over Steven Finn?

If I can recall correctly nearly every player that England have looked upon to deliver them from their poor record against Australia over the last decade has disappointed to a large extent. Yes, there have been some exception like Pietersen and Flintoff who flourished briefly before becoming vulnerable to personal and fitness-related issues. I still remember how gung-ho the English media was about players like Ronnie Irani, Ealham and Mark Alleyne, hoping that these players will be able to perform since their county records were supposedly great. Now, with the Ashes coming close, the English cricket media seems obsessed with Steven Finn and believe that he is another McGrath in the making. Whether this is due to over-optimism or simply because Finn releases the ball in a matter akin to the great Aussie bowler or due to a combination of both these factors, is beyond me. However, what still surprises me is that how the media in England starts hailing any new find as a potential Ashes winner. If you remember, Matthew Hoggard was placed on a same pedestal and was suppose to swing-out the Aussie batsmen but nothing of the sort happened, at least over a sustained period. There isn't a single English player in the last decade who has an Ashes record as consistent and significant as that of some Aussie players like Hayden, McGrath and Shane Warne. At best, some cricketers from the UK have surfaced from time to time and delivered brilliantly in small patches that simply cannot be equaled to records of these Aussie greats.....but then, reality isn't everyone's cup of tea, is it?