Here is a quick comparison. Let me know if I'm missing anything.
From Pumaspeed:
x-47 Plus Hybrid Turbo: $915
No Core Exchange: $328
Turbosmart 11psi Actuator: $128
Turbo Elbow: $122
Subtotal: $1,493
Shipping: $85
VAT: N/A
Custom Tune (not included): $250 estimate
Gaskets: (not included): $50 estimate
Total: $1,878
From Stratified:
x47 Plus Hybrid Turbo: Included ($915 Value)
Big bore intake elbow: Included ($122 Value)
Turbosmart wastegate actuator: Included ($128 Value)
Exhaust manifold to turbo, turbo to downpipe, and oil drain gaskets: Included ($50 estimated value)
No core exchange, you keep your OEM turbo: Included ($328 Value)
Custom Tune: Included ($250 Value)
Turbo Package: $2,200
Subtotal: $2,200 ($1,793 Value using Pumaspeed prices)
Shipping: $50 (according to Stratified's website shipping calculator for U.S. residents)
Total: $2,250