not even remotely. Any onboard graphics will suck next to a seperate graphics. But if all you're doing is graphic editing, then you don't need an upgrade. If you play games, then yes, get an nvidia card. Intel EG is extremly bad for gaming, but more then sufficient for win7 areo
my system:
Win7 Pro 64-bit
i7 920 @ 2.8 (used to be 4, but had power problems)
Asus P6T Deluxe V2
12G ddr3 1600
2X XFX GTX 285 factor OC
2X 300G velociraptors raid 1 (OS)
2x 500G Re3's raid 1 (games)
onboard sound (had creative f1taility titanium, died)
Corsair 850tx
microsoft laser mouse 5000 (wish I could find more of these)
the pics are old, as I no longer have the blue swap bay by itself
Server (downloads, archived file, media storage for video editing, public samba share for tools for fixing other computers):
Dell Poweredge 1800
2GB DDR2 3200 ECC REG
2x Intel Xeon 3.00GHZ chips /w HT enabled
2x WD 1TB Black (raid 1)
Ubuntu 10 server 64 bit
gigabit lan
EXT3 compression allows me to xfer 120+ MBPS
Third pictures is of my ATX power connector. The extreme draw of power of the 2x GTX 285's burned out my 12v1 rails. I have to keep the oxidation off the power connector or it will get so hot and corroded the draw from the 285's will cause an increase due to resistance that lowers the voltage. Such a draw that it kicks my PSU's overcurrent protection