Stupid questions from a novice

Hi all, apologies for the stupid questions I'm about to ask. I haven't got my head around how miles works.
I've currently got 53959 Flying Club miles at Red tier. I'm planning on flying to MCO in August 2016 (20/08-03/09) - 2 adults. I've never spent miles before, so I'm not sure whats for the best.
I've read on here that MCO availability is poor for reward seats - is that just PE/UC or Econ too? I don't have enough points for 2x round trips and am unlikely to (without buying some) by the time flights come around in Sept.
If I book a package with VH, taking into account the 7% discount and converting miles to £250 vouchers, it's £5,516. The non-flights part of the package, booked direct with Disney, is £3,330 This means the flights are coming out at around £2,186 which seems a lot.
The spending calculator on VA website says I'll need 42500 miles + up to £366 taxes and charges per fare. If I bought 40000 miles at £615, this would make flights £1347 - much cheaper.
Am I calculating this right? To get the deal, I'd need to book accommodation before the flights got released. Is it a big risk to try get reward seats? Would miles and money/combi fares or outright cash usually be better?
I'd love to upgrade and do UC one day but I don't think its doable as full price tickets are scary expensive, I think.
Any help and advice appreciated
I've currently got 53959 Flying Club miles at Red tier. I'm planning on flying to MCO in August 2016 (20/08-03/09) - 2 adults. I've never spent miles before, so I'm not sure whats for the best.
I've read on here that MCO availability is poor for reward seats - is that just PE/UC or Econ too? I don't have enough points for 2x round trips and am unlikely to (without buying some) by the time flights come around in Sept.
If I book a package with VH, taking into account the 7% discount and converting miles to £250 vouchers, it's £5,516. The non-flights part of the package, booked direct with Disney, is £3,330 This means the flights are coming out at around £2,186 which seems a lot.
The spending calculator on VA website says I'll need 42500 miles + up to £366 taxes and charges per fare. If I bought 40000 miles at £615, this would make flights £1347 - much cheaper.
Am I calculating this right? To get the deal, I'd need to book accommodation before the flights got released. Is it a big risk to try get reward seats? Would miles and money/combi fares or outright cash usually be better?
I'd love to upgrade and do UC one day but I don't think its doable as full price tickets are scary expensive, I think.
Any help and advice appreciated
