This does not affect your statutory rights.
Interestingly (and if IIRC from my law classes at school many moons ago) it is not possible for any contract to remove or modify a consumer's statutory rights as laid sown in the Sale Of Goods Act (SOGA) and the Sale Of Goods and Services Act (SOGASA) and possibly other legislation that I can't remember just at the moment.
These include things like the ability to return goods and get a refund if they are defective or if they are "unfit for purpose" (e.g. you buy product X to fulfil function Y and it turns out not to be able to do so to your satisfaction). From the general tone of the comments on El Reg whenever the Beast Of Redmond is mentioned, I guess many folks feel that both of these conditions apply).
Retailers in general try quite hard to avoid allowing consumers their rights (seemingly restrictive return policies, etc), and they mostly get away with it because consumers are generally ignorant of the relevant statute law, which is why we have Trading Standards and the OFT.
There are also, as someone mentioned, rules governing how contracts can be structured, I can't remember what they are in any great detail, a google of "construction of contracts" with a UK filter should help the curious, but IIRC their must be something called "valid consideration". This is quite complicated, but basically means that contracts must provide something of worth to both parties in order to be valid, I think.
I've no idea how this would apply to a EULA, but I can imagine it would do for at least a few clauses.
"There was only one very specific exclusion which was for bus & train tickets that have details on the back."
Well remembered that man. In fact, ISTR that the actual judgement goes further than that and allows, under certain circumstances, for Ts&Cs to be merely 'available', e.g as long you can (at least in theory) get hold of a copy to read before you purchase, then they are valid. I haven't got a rail ticket handy, but I believe they have something like "issued under the terms of the conditions of carriage" written on them. The conditions of carriage are (in theory) available from the operator.
I really can't remember the circumstances of the case, so I don't know if this could be applied to shrinkwrap licences on software.
Either way, I'm pretty sure that an impartial UK legal beagle could render most of the MS EULA invalid with a bit of effort.
But imagine the consequences if MS (et al) are made liable for defects, you think Office is expensive now ? Wait until you have to purchase it with the price of a perpetual liability insurance policy added.
As an aside, I wonder how copyright law applies to the EULA itself ? I've worked for a number of ISVs who just cut 'n' pasted EULA.txt