Any brand recommendations for something Windows based ? Not interested in Mac.
Thinkpad T450S, Dell XPS 13 / 15 - pay a premium for better build quality, higher battery life
Lenovo Thinkpad Yoga, Lenovo Yoga 3, Windows Surface / Surface Pro series - tablets/hybrids
Thinkpad Edge 450/550, most ASUS laptops - cheaper, but mediocre-poor build quality, lower battery life
And yeah, you can just get a mac and boot windows on it.
Apple is the only company that doesn't overcharge for their products in Australia - once you convert the USD price of a macbook and add 10% GST their prices are roughly the same in AUS and the US. Compared to Dell, Lenovo who add an extra $200-500 for no real reason on their laptops.
whats the cheapest laptop i can buy that can play league of legends without lagging and is light enough to take to uni?
Most laptops that can handle LoL while still being cheap and light will often have handicaps like nonexistent battery life, garbage build quality, poor screens, etc. I believe an integrated HD5500 can handle LoL without problems.
Get a Macbook Pro or Dell XPS if you can afford the premium
Otherwise, a cheap option would be the Thinkpad Edge 450 or 550 (add i5 5200u), ~$650 after student discount