I bought an apple ibook in my second year, and i love it! they come preloaded with all the accessories and programmes such as itunes, iphoto, i movie, apple works, icalendar, internet explorer etc, mine is a g3 but i know that now they are g4s and with much higher memory! mine didnt come with wireless internet access but i think the new ones have a pre built in airport card for this. and also a cd-rom.dvd drive but i dont know about a dvd burner.
I used mine mainly for word processing, internet access and my work, i was an art student so it suited me just fine! the cheapest ibooks now start from about 699 inc.vat but if you have a university e-mail address or contact i think u can claim students rates and get them cheaper.
only bad thing is, sometimes it can be a little bit tricky when switching files with a pc, but they are generally compatible now!
and another thing about apples is they r so aesthetically pleasing!! but thats NOT the reason to buy one of course! they are also easy to carry around as well because of their size and weight!
it might not be suitable to you but they are quite nice little computers! check out the apple website click here and see what you think, im sure other people will make more good suggestions as well!!
Hope you get what your looking for!! :)