You can buy Mac in UK in one of the department store cosmetic section, or their own Mac cosmetic retail store. But if are talking about Mac computer that would be in Apple store.
In the UK they are only available as part of a Big Mac, they are baked by a company called GoldenWest who exclusively supply all the UK McDonalds.
Using a Mac purchased in the US in the UK should not present any major problems. The Mac's voltage range is 100-240V AC which covers both the US 120v and UK 240v mains supply. You will need a UK plug/lead - depending on which Mac you acquire. The keyboard layout is different but you can plug in a UK USB keyboard if required. Depending how you bring it into the UK you may be liable for VAT/Import/Customs duty which will add to your initial purchase price.
You can use an unlocked Nexus One in the UK. If you should buy it or not is up to you. :-)
You can buy RAM for Mac computers at Best Buy or the Apple Store. You can also purchase it online from Apple directly or other online retailers such as Amazon.
MAC foundation is at any participating Macy's. MAC is a really good makeup brand and it is recommended for commendable work. You can also buy it online at the Macy's website.
Arby's and Sonic have had fried mac and cheese at one time or another.
There are a number of places where one can buy bamboo poles in the UK. These include but are not limited to UK Bamboo Supplies, BS Bamboo, UK Bamboo and Japan Garden.
You can go to a Apps Store to buy one
An iPad that you buy in the US will be just as functional as one you buy in the UK. Remember that you have to get a power plug that works in the UK.
You buy it for mac. You can get it at a mac store.
you can buy one in London in Harrods?
Mac batteries can be purchased through different locations. One of the most common places to buy them is directly through the Apple Store. Another location to buy them is Best Buy.