Gadget fiends have been voting for their favourite inventions.

Gadget fiends have been voting for their favourite inventions – and the Apple Powerbook 100 comes top.

Also featuring highly in the survey by US magazine Mobile PC are the Sony Walkman and 1956 Zenith Remote Control.

But what of the best ever marine gadgets? Surely the first handheld GPS, the first autopilot or, perhaps, the first on board ice-maker are worthy of a mention?

What in your opinion are the greatest ever boating gadgets?

E-mail your nominations to rob_peake@ipcmedia.com and the results will be posted on Motor Boats Monthly’s website in the near future.