From what I remember the sandybridge issues have long since been dealt with, so I have no fears about the quality of the existing parts.
I would definitely go with 4GB of memory (Your going to install the 64Bit version of windows right?).
If you do have some extra money that you absolutely must spend I would look into getting a SSD, or possibly another disk (for backups).
-Terry
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"so listen up boy, or pornography starring your mother will be the second worst thing to happen to you today"
TF2: Spy
I would definitely go with 4GB of memory (Your going to install the 64Bit version of windows right?).
If you do have some extra money that you absolutely must spend I would look into getting a SSD, or possibly another disk (for backups).
-Terry
-----
"so listen up boy, or pornography starring your mother will be the second worst thing to happen to you today"
TF2: Spy