Hi,The Mega is physically larger, but there are proto boards specifically for it. Mega runs same code, but has more memory.Or you might use this Mega compatible that is built on the original Arduino board size/pinout but adds the other pins etc...http://arduino-direct.com/sunshop/index.php?l=product_detail&p=154DISCLAIMER: I mentioned stuff from my own Shop...
...Just have to see if Customs bump the price up.
Please let (us) know what you find out from UK Customs.
RE the oscilloscope, even if collected from Singapore I'd guess it was at a high risk of being picked up if they x-ray that in your suit case...
Do you get stopped by carrying a PSP on your suit case?
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