What power supply do you recommend?

Well i've been having quite a few problems with my upgrade of late and I suspect that it maybe due to my "oldish" power supply. I have an Enermax 350W power supply.
What do you guys/gals advise that I get?

OMG, I think I just had my first low_12V_amp_PSU_symptom!  
http://techrepublic.com.com/5100-6255_11-1041735.html Told me something about  bad (or too low powered PSU's):
The symptoms
Just about any intermittent problem can be caused by a faulty power supply. I normally look there first when the symptoms are a little weird. Common power-related symptoms include:
* Any power-on or system startup failures or lockups
* Spontaneous rebooting or intermittent lockups during normal operation
* Intermittent parity check or other memory-type errors
* HDD and fan simultaneously failing to spin (no +12V)
* Overheating due to fan failure (!)
* Small brownouts that cause the system to restart
* Electric shocks that are felt when the case is touched
There are also some obvious clues that should lead you to suspect a faulty power supply. These include:
* A system that is completely dead (nothing happens when the system is turned on)
* Smoke
* Circuit breakers popping when the PC is turned on
My problem was: CPU.temp @ 81 oC in CoreCenter that sounded the alarm and eventually shut down the pc. (First I didn't notice the alarm, I was checking out SimCity4 and thought it was part of the game  )
Since the +12V rail handles the power of HD-motors and fans (http://www.cooltechzone.com/index.php?option=content&task=view&id=444&Itemid=0&limit=1&limitstart=1), I'm now afraid the CPU-fan didn't catchup when I increased the CPU load because it did not have the +12V power to do so!? Is this possible at all?
Maybe I'll follow SAB's advice and go through the hassle of changing my Zalman PSU for a Tagan TG480-U01 480 watt at my webshop....

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