My last two laptops were ThinkPads and I'd of bought another one if I hadn't switched to a MacBook. I'm not sure what they're like now its Lenovo making them but both of mine had excellent build quality and survived a lot of rough usage - neither fell apart unlike the other laptops I'd owned before.
I'm not sure I'd worry too much about the size and weight. I find the MacBook fine in both regards and I still double check my bag sometimes to make sure I've got it with me as it feels so light. Plus you can get decent bags designed perfectly to fit the MacBook which is a major bonus for me.
I'd do some more research on the quality of them now, maybe checking some reviews - the last time I read some they suggested the quality was the same. Might be worth having a look at their T series as well, they are thin, light and more powerful but obviously a bit bigger and heavier due to the bigger screen and dvd drive. You used to be able to swap the dvd drive for an extra battery, not sure if this is still the case.
Otherwise it probably comes down to whether you will be happy with Windows as your main / only operating system. I have Windows installed on my MacBook for a couple of apps I need, but there is no way I'd want to go back to it full time.
I'm not sure I'd worry too much about the size and weight. I find the MacBook fine in both regards and I still double check my bag sometimes to make sure I've got it with me as it feels so light. Plus you can get decent bags designed perfectly to fit the MacBook which is a major bonus for me.
I'd do some more research on the quality of them now, maybe checking some reviews - the last time I read some they suggested the quality was the same. Might be worth having a look at their T series as well, they are thin, light and more powerful but obviously a bit bigger and heavier due to the bigger screen and dvd drive. You used to be able to swap the dvd drive for an extra battery, not sure if this is still the case.
Otherwise it probably comes down to whether you will be happy with Windows as your main / only operating system. I have Windows installed on my MacBook for a couple of apps I need, but there is no way I'd want to go back to it full time.