40" Main TV used as a monitor?

not looking at the specs...i'll assume its 1080p. if its only 720p dont even think about it.

the main difference is how "crisp and clear" things will look. obviously a smaller monitor will be sharper.

i personally use a 40" from about 3.5-4 feet away from where i sit. i'll list a few things i've noted.

movies - works excellent
fps games - overbearing at first but you get used to it. smaller monitors may be better because you dont need to use perepheral vision. things really do feel life sized though.
strategy games - look great
mmo games - look great, text is a little harder to read though. might need to bump up the size in settings.
web browsing - i need to bump up zoom to +5-10% normally but its not bad. bright backgrounds can be hard on your eyes due to the large screen (white is pretty harsh)
office applications - zoom levels need to be up but its doable. if you need to do alot then a smaller monitor is better
cad/graphics/etcetera - doable but a smaller monitor is better.

Thanks a lot mate, based on your advice I will probably go with a smaller monitor because I suppose if I'm going through the trouble of building it I may aswell get the best. What do you think of that 22" monitor listed? Any good, its pretty cheap? Is it a big enough size?

This is one of the best answers / replies I have seen in a forum in a long time. Thanks for the detailed yet simple answer.

@op

not trying to turn you off a large screen television. personally it has worked out GREAT for me. i'm just stating that if you have alot of productive work to do then it might not be the ideal solution.

if you do not want a television then my personal suggestion would be a 22" S-IPS (or H-IPS or P-IPS) lcd monitor. up to you if you want led or ccfl backlighting but keep in mind that some led monitors have a blueish hue. i've heard alot of people recommending dell monitors lately.

@firemedic

there are tons of great replies on this forum provided the op is clear, concise and puts forth some effort.

@ssddx what exactly is H-IPS and P-IPS?
Thanks for the reply also  

And I have seen this and wondering if these speakers would work nicely with it:

24" ASUS VS247H Widescreen LED Monitor
https://www.aria.co.uk/SuperSpecials/24%22+ASUS+VS247H+...

SPEEDLINK Vivo 2.1 Subwoofer System
https://www.aria.co.uk/Products/Peripherals/Speakers+%2...

honestly i'm not entirely sure myself as i've only had s-ips units myself. i've seen it listed as other 8-bit types of ips monitors. the other type, e-ips, is only 6-bit and is of lesser quality but still maintains the wide viewing angle.

as far as speakers go...

if you want computer speakers for a budget price... its hard to beat some of logitechs offerings in terms of value.

Okay thanks alot for the advice