I've been researching what laptop to get to replace my current 6 year old Dell Inspiron 6400, and I think the Lenovo Z580 seems a good choice. Most of what I use my laptop for is simply university work (nothing more demanding than writing an essay) and web browsing, and ocassionally watching films. However, I also play videogames - I'm definitely a casual gamer, but I do want to play relatively up to date games - so that bumps up my requirements a bit. However, I'm looking to spend less than £600 ($950).
Also, I initially looked at the Acer Aspire V3-571 (with the i5 processor), which has very similar specs but a slightly better gpu. I discounted it because I'd heard some bad things about Acer's quality, but do you think that is an option as well?