That is a real PITA. I don't know if other makers do what Sony did, make you put up $157.00 whether they fix the lens or not. Seams like an unfair arm-twister to me. When I had to take my 7D in for first frame black, they insisted on having my Visa number in case it was not FFB.
I notice in B&H they are selling the A77II for $1098.99, body only and $1,698.99 for the Sony a77II with the 16-50mm Lens. In Canada, Henry's is selling it for $1749.99 CAD which at today's exchange rate is $1603 US. It's a pity you have not saved enough yet as they may have been better alternatives, considering that the fixes you made to the A77 and HVL-F58AM may reduce their used value.
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