Acer
E1-472G-54204G1Tk, i5-4200U + Nvidia GT820M@RM1899, 4GB, 1TB, W8.1
V5-473PG-54204G50, i5-4200U + Nvidia GT740M +(1366x768;touch)@RM2299, 4GB, 500GB,W8 *no OD
Asus
A450LC-WX037H/WX042H/WX043H, i5-4200U + Nvidia GT720M@RM2199[2.1kg], 4GB, 750GB, W8; 4-cell
PRO45VJ-V0047X, i5-3230M + Nvidia GT635M@RM2399[2.4kg], 4GB, 500GB, W7P
PRO45VJ-V0056X, i3-3120M +Intel HD4000@RM1999[2.4kg], 4GB, 500GB, W7P
K451LB-WX071H, i5-4200U + Nvidia GT740M@RM2199, 4GB, 750GB, W8
S400CA-CA006H, i5-3317U + Intel HD4000 + 24GB mSATA + 500GB + (1366x768; touch)@RM1999[1.76kg], 4GB, W8, 3-cell
Prices are RSP, negotiable.
There are plenty of reviews for S400CA. Search for it yourself

Are all these Asus models can allow the user to detach the battery? Because I've saw one post here in Lyn that the model K451LB have non-detachable battery. Wouldn't that shortened the battery life when the user want to continue using the notebook even when the battery is low?