On Mighty5 they're doing it for quite a bit less, and using OEM crossmember.
The biggest issue is this is all happening across the pond from Texas.
Engines are not a issue here, Jags are cheap....I got a complete XJS w/V12 for $200.
Long term project, but it will be rad and have a cool lump.
Where did you find that smoking deal?....... you're welcome!