QUOTE(Vcys86 @ Jul 25 2011, 10:29 AM)
size bigger is better right?
not concern on the weight..

If portability and battery life is not of a concern, then yes, bigger is better
Since your usage is not exactly very demanding (no gaming right)? Getting an average laptop and extending the warranty would be the optimal choice

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15"
Acer
Aspire 5750G, i5-2410M + Nvidia GT540M(2GB) @RM2399 + $$ for 3 years warranty extension
Asus
A53Sv, i5-2410M + Nvidia GT540M (1GB)@RM2349
N53Sv, i5-2410M + Nvidia GT540M(1GB)@RM2699 [Bang & Olufsen]
Dell
Inspiron 15R, i3-2310M + Intel HD3000@RM1999 + $$ for 3 years warranty extension
Inspiron 15R, i5-2410M + Intel HD3000@RM2299 + $$ for 3 years warranty extension
Vostro 3550, i5-2410M + Intel HD3000@RM2359, backlit keyboard + $$ for 3 years warranty extension
HP
G6-1107TX, i5-2410M + AMD HD6470@RM2299 + $$ for 3 years warranty extension
If not big enough, then

Dell Vostro 3750, i5-2410M + Nvidia GT525M + (1600x900)@RM2699[3kg], W7HB, backlit keyboard + $$ for 3 years warranty extension
imho, picking Dell would be the better choice since they offer on-site service

would be great for your cctv stuffs
This post has been edited by [PF] T.J.: Jul 25 2011, 10:36 AM