I love computer as much as I love fishing.
as for price, do a little math
Genuine Windows® 7 Home Premium, 64Bit, English = $129.99
AMD Phenom™ II X6 1055T= $219.99
ATI Radeon HD 5450 1GB = $74.99
6GB Dual Channel DDR3 SDRAM at 1333MHz - 4 DIMMS = $229.99
1TB - 7200RPM, SATA 3.0Gb/s, 16MB Cache = $89.99
23.0" Dell ST2310 Full HD Monitor with VGA cable = $179.00
16X DVD+/-RW Drive = $29.99
total = $955, not includes other things
I would say $1000 is a good deal for this setup.
That CPU looks alright.
One thing to keep in mind. see that 6GB memory costs $229.99, i would say 4GB is more than enough for regular usage, 6GB is kind of an over kill.
I assume you don't play game, so that video card ATI Radeon HD 5450 is good choice.
Genuine Windows® 7 Home Premium, 64Bit, English. Be careful about 64bit, not all old softwares you have will run on 64bits. The old software mostly run on 32bits (aka x86).
my honest opinion, if you have $1000 to spend on computer, this one is great. however, if I would pick one computer for my friend, I will try to put the cost down to $800.