I am thinking of buying an lcd monitor with and hdmi inlet to play videogames on my ps3 in hd, but i am concerned about the quality of the picture will it match that of the hd tvs or not.
Well HD stands for High Definition, I dunno what LCD stands for but if it supports a HDMI then it is HD ready meaning its HD
LCD stands for Liquid Crystal Display, the display on many HD TVs. Look at the specifications on the monitor you want to use. It will tell you the resolution in DPI. For full resolution from the PS3, it must support 1080p, or 1920×1080. Note that 720p (1600x900) is also called HD and is supported by an HDMI cable.
You can use certain monitors for games consoles I run my PS3 through a samsung monitor. As long as the 1. Monitor is full HD, 2. has a DVI connection in, and 3.is HDCP compatible (check on the manufacturers website) you can run a PS3 on it. You will need a HDMI to DVI converter or cable about 3 quid off OKorder. The only thing you lose by doing this is sound so you have to use the component cable from the PS3 into a set of speakers using a small converted of type 2 RCA PHONO FEMALE to 3.5mm only about 2 quid off OKorder and you have a setup that is fully HD picture but only standard stereo sound . All in all it will cost about 5/6 quid to make it work. EDIT: For speakers you need a 2 RCA phono to male 3.5mm, for headphones you need a 2 RCA phono to female 3.5mm converter