First build for a few years - Advice please!

[3N1GM4]

Hi all, I'm looking to purchase and build my first PC for a few years, so have been trying to get back up to speed on everything that's involved and all the different hardware which is out there now, so I wondered if you all might be able to give me some help and guidance on the setup I am considering.

The machine is only to be used for basic tasks, so web browsing and light image/video editing from time to time. I would like at least one HDMI output as I will be using a HDTV as the secondary output and watching TV/movies etc.

Budget is somewhat flexible, but I really don't want to have to spend more than I need to, so keeping it under £500 is pretty essential.

Anyway, here's what I have come up with so far:

CPU: Intel Core i3 2100, S1155, Sdy Bridge, 3.1GHz, GPU 850Mhz, 3MB Cache - £89
Mobo: MSI H67MA-E35 (B3), LGA1155, upto 32GB DDR3 memory, DVI HDMI VGA out, SATA6G+USB3.0 - £60
RAM: 8GB (2x4GB) Corsair DDR3 XMS3, PC3-10600 (1333), Non-ECC Unbuffered, CAS 9-9-9-24, 1.50V - £40
Case + PSU: Ezcool 727-03B Piano Black micro-ATX Tower Case with Ezcool 500W PSU - £24
HDD: 1TB Seagate ST31000524AS Barracuda 7200.12, SATA 6Gb/s, 7200rpm, 32MB Cache, 8.5ms, NCQ - £40
Optical: Sony AD-7261S-0B 24x DVD±R, 12xDVD±DL, DVD+RW x8/-RWx6 ,12xRAM SATA, Black, Lightscribe, OEM - £17

So before buying Windows 7 and a decent CPU heatsink plus some case fans etc, this comes in at about £270. Once I add those things, it comes to about £370. Any pointers on things I could/should improve for not too much more money? I wondered if the PSU which comes with the case I've chosen will be sufficient? I presumed that with no GFX card and only a single HDD and Optical Drive, 500W should be enough, but am I wrong?

Any advice greatly welcome!

[glc]

Can you handle about 504 quid?

Coolermaster Elite 335 Case | Ebuyer.com

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Microsoft Windows 7 Home Premium - Licence and media.. | Ebuyer.com

You don't need a heatsink or any more fans, the CPU comes with a heatsink and the case is decently cooled as is.