should i go for i7 4500u +amd radeon 8850m dell laptop which im worried will bottleneck the gpu(dual core) and might not last for another 3 years or the lenovo 410p or 510p which has i7 4700mq with nvidia gt750m which has wifi and battery issues. I play fps games mostly. I regularly play lan games, so i need a good battery back up with no lag , must be good enough for future use. Im open to other options . ( upto 800 dollars) i play games like bf4 , cod