Sudden BSOD on newer PC

i got this computer not long ago, it arrived early april. The PC was running like a dream for the first few weeks. I started using Sony Vegas 10 for video editing and that's when it seems the BSOD's started. Sometimes it happens 5 minutes after using sony vegas, sometimes it runs fine for a day and doesn't crash the pc, so i'm not sure if that is the problem just trying to give as much info as i can.

Operating System
MS Windows 7 Home Premium 64-bit
CPU
Intel Core i5 650 @ 3.20GHz 36 °C
Clarkdale 32nm Technology
RAM
6.0GB Dual-Channel DDR3 @ 665MHz (9-9-9-24)
Motherboard
Dell Inc. 0C2KJT (CPU 1)
Graphics
DELL P2211H (1920x1080@60Hz)
ATI Radeon HD 5450
Hard Drives
977GB Western Digital WDC WD1001FAES-75W7A0 ATA Device (SATA)
488GB Western Digital WDC WD5000AAKS-40YGA1 ATA Device (SATA)
Optical Drives
PLDS DVD+-RW DH-16ABS ATA Device
Audio
Realtek High Definition Audio

Welcome to Windows Seven Forums.

Not wishing to duck out here, but as it's a new computer I'd be inclined to get in touch with Dell to repair or replace your computer while it's still under warranty.

Failing that, have you tried a system restore to a point before you started using Sony Vegas?

i haven't tried a system restore before using vegas, but it seems that it only crashes when using vegas or just after so i wasn't sure if there's an outdated driver or something in the system that shouldn't be causing it to crash with vegas (or other programs that might use the same drivers / resources) or if it's something else. i forgot to mention as well the second harddrive installed the 500GB (488GB) drive i put in myself out of my other computer.

You might want to have a look in the Windows 7 Compatibility Centre for any compatibility issues.

came up Compatible, no action required (for both 32bit and 64bit version) i am running the 32bit.

In that case I'm out of ideas other than trying a system restore to isolate the problem.

You might want to start a fresh thread on the Graphics forum in the hope someone more knowledgeable than me can help out.

is there a way to tell without opening the pc up?

online it says a 250watt power supply but are you wanting the actual model and what not?