I'm getting really confused about 2.1 speakers and Watts, eg, Total RMS output, Nominal Power Output, etc?

Basically, I wanna get the loudest and best speakers I can for £26 from Amazon, and I've found many good speakers, but I came across a 35 watt speaker by Trust for £26 http://www.amazon.co.uk/Trust-2-1-Speaker-Set-SP-3680/dp/tech-data/B000YGO35I/ref=de_a_smtd The details are Nominal Output Power (Total):... show more Basically, I wanna get the loudest and best speakers I can for £26 from Amazon, and I've found many good speakers, but I came across a 35 watt speaker by Trust for £26

http://www.amazon.co.uk/Trust-2-1-Speaker-Set-SP-3680/dp/tech-data/B000YGO35I/ref=de_a_smtd

The details are Nominal Output Power (Total): 35 Watt

But then looking around, I came across ones with maximum power output, and stuff like that.

Basically, what Im asking about is, are these speakers actually 35 watts, or is that maximum, because I've seen nominal power output showing the max before, and I'm getting really confused lol.

OR alternatively, suggest other speakers for £26, but must have a bass control on the back of the subwoofer.
Update: I'm also getting confused because this speaker set doesn't say what Watt each satelite and subwoofer is. Also, I have seen some speakers say they are like 30 watts, when actually, just the wubwoofer is 30 watts and the satelites are rubbish.
Update 2: http://www.amazon.co.uk/Sweex-SP024UK-2-1-Speaker-300W/dp/B002JM25T6/ref=sr_1_29?ie=UTF8&s=electronics&qid=1264436562&sr=8-29 - And this says 300 watts for £19 which also confuses me lol.
Update 3: 2.1 speaker set including wooden subwoofer with a total RMS power output of 42 Watt - So this would be about 35 watts?
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