Nintendo New 3DS [White] – £123.37
Nintendo New 3DS [White] – £123.37 delivered
Australian version, but the hardware is identical to the UK version. You’ll get to get a charger though.
I have imported plenty of stuff from Australia in the past and never been charged any additional fees. Your millage may vary.
Update: You could opt to get it gift wrapped for $4.90 (£2.67), which would in theory remove the risk of getting slammed with import fees.

They have updated this and the XL with:
Important Delivery Information
This product cannot be shipped outside of Australia.