The world's most expensive geeky gifts and gadgets

Owning your own yacht may be one of the peaks of indulgence, but Yacht Island Design Co. takes it one step further. 

The 295-foot Tropical Island Paradise yacht has a top speed of 10 knots, and although it can only accomodate ten people, comes with a waterfall,  volcano, swimming pool and beach 'cove'. In addition, the yacht has a bar area, VIP rooms with balconies, a private spa and a helicopter landing pad.

The design is currently a concept, but landing on the heels of the gold-plated History Supreme yacht -- which cost $4.8 billion -- you can't expect this to come cheap.

How about a pair of speakers cast in metal for a better audio experience?

D&W's Aural Pleasure Loudspeakers are limited edition and inspired by London's Big Ben. 

For better amplification, the speakers are cast in bronze, silver or 18ct gold. The specifications are:

• Sensitivity 97db 1w@1mtr
• Impedance 5 Ohms
• Frequency range 47Hz- 37Khz +\-4db & 39Hz-47Khz +\- 10db

Willing to splash out? The bronze will set you back £40,000 ($64,000), the silver cost £200,000 ($322,000), and the gold are a bargain at $3,000,000 ($4.8m).

Elite home theater seating's "theme theater" projects include a batcave, pirates of the caribbean and a Las Vegas showroom. 

Costing millions of pounds each, it's a must for any die-hard film fan.

An illuminated coffee table from Suck UK makes a cool addition to any living room.

Made of brushed stainless steel and a glass top,  power cables and switches alternate whatever lighting you're in the mood for. 

In addition, a built-in power cable lets you plug in your laptop. It'll only cost you at least £2000 (£3100).

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What better way to protect an expensive gadget than with a far more expensive sleeve?

Designed by the Dutch laptop sleeve company CoverBee, this laptop sleeve is covered in over 8,800 round-cut diamonds.

The opening is trimmed in black sable fur. -- noted by the designers to come only from animals that "died of natural causes". 

This retails for the bargain price of $11,000,000. 

The world's tallest iPod docking station has been designed by musician Jean Michel Jarre. 

Called the AeroDream One, it is eleven feet tall and combines an iPod dock with a 10,000W stereo system. It has a diameter of 16.3 inches and weighs 395kg. 

There's a built-in ladder to dock your device, and you can connect other devices through a stereo minijack, XLR line level inputs or via USB port. 

The dock has five separate amplifiers and is rated from 25Hz to 20kHz.

It costs $565,000 for each custom-built model. 

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For the rock-bottom price of $679.99, you can be the proud owner of a life-sized Yoda model in your living room.

Yoda stands 26 inches tall and comes with a base and detachable lightsaber.

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Does "the world's most expensive iPhone" capture your attention? 

Designed by Stuart Hughes, the iPhone costs a cool £5 million ($8 million).   

The bezel is handmade from rose with roughly 500 individual diamonds worth over 100ct. The rear section of the phone is made from rose gold, complete with a  rose gold Apple logo and 53 diamonds.

The navigation is made from platinum and a single cut 7.4ct pink diamond.

The handset is 32gb and only two have been made.

The world's most expensive hard drive, designed by nuclear waste management agency ANDRA in France, is made of industrial-quality sapphire.

The sapphire hard drive, comprised of two 20cm-wide thin fused discs, is estimated to last one million years -- so don't worry about losing your data. The disc is engraved with platinum and is able to store up to 40,000 miniaturized pages. 

The prototype costs $30,000.