yes defintely get the ocz over that other psu. it is a decent psu. the other psu LOOKS ok but its probably as bad as the coolmax cu-500b i just bought. looks beutiful wighs nothing and has flimsy connectors. the the fan is nearly silent but moves like no air...
It is difficult to offer any advice or an opinion because the power supply you mentioned is a "house brand" that is only offered in the UK.
Normally veteran posters do not recommend generic or "house brands" unless there are favorable tehcnical reviews. I was not able to find a competent technical review.