Yes, tried every option I know, Previously we have done continental codeshare(Virgin Flight) and Indirect via Newark, but they want £914 codeshare or £685 indirect for next August.
Cheapest option is Delta at £680 indirect or £763 Virgin Direct (Only direct carrier from Manchester)
I am not so bothered about going out as we will set off in plenty of time if we fly from Heathrow again, its the return thats the problem doing a 3-4 hour drive very tired, I did it once before from Gatwick and its not easy for me.
As for the hotel, I have never done this because of the cost, they all seem to include a max of 15 nights then charge about £10/night after this. We would need to park up for 27 nights total, so probably talkng over £200 for hotel and parking campared to £100 car park only.
So much to think about, I just wish Virgin would release Miles and Money prices now then if they are more than £550 I would book the Heathrow flights.