Newbie...New Build... Some advice please?

Hi,
I'm Stuart, a new simmer, based in the Falkland Islands.
I'm returning to flight sim after a long layoff. I have copies of both FS9 and FSX, but believe, from reading the forum, that I'm unlikely to be able to run at high framerates on FSX with modest computer specifications.
I've listed (below) the specs for my new build - please can you tell me what type of performance to expect on either FS9 or FSX.
Any advice would be appreciated - My last FS PC had 512Mb RAM and a 32Mb Video Card!
New Specs:
XFX nForce 780i - Motherboard - ATX - nForce 780i SLI - LGA775 Socket
Intel Q6600 Core 2 Quad Processor - 2.40 GHz, 8MB L2 Cache, 1066MHz FSB
8Gb (4x2Gb) Crucial Ballistix DDR2-800 CL4 240-pin DIMM
BFG GeForce 9800GTX+ OC 512MB PCI-E
I'm Stuart, a new simmer, based in the Falkland Islands.
I'm returning to flight sim after a long layoff. I have copies of both FS9 and FSX, but believe, from reading the forum, that I'm unlikely to be able to run at high framerates on FSX with modest computer specifications.
I've listed (below) the specs for my new build - please can you tell me what type of performance to expect on either FS9 or FSX.
Any advice would be appreciated - My last FS PC had 512Mb RAM and a 32Mb Video Card!
New Specs:
XFX nForce 780i - Motherboard - ATX - nForce 780i SLI - LGA775 Socket
Intel Q6600 Core 2 Quad Processor - 2.40 GHz, 8MB L2 Cache, 1066MHz FSB
8Gb (4x2Gb) Crucial Ballistix DDR2-800 CL4 240-pin DIMM
BFG GeForce 9800GTX+ OC 512MB PCI-E