NEED HELP FAST

yes, the g530 is gonna bottleneck the 6870, i was using the G530 with the HD 6850 and it runs any game, new or old, but always with just 60-70% of GPU load on most games at 1440x900...sometimes it gets to 85% but just with a couple of games

the G530 is a very good CPU for the price but only as placeholder for something better or for HTPCs

i'm using the i3 3220 now and my 6850 runs at 99% almost every time, so is a good option for you if you don't want to spend too much, but the i5 would last longer i think

Sorry if my English is not the best  

Yes it will, and not only by a little. In some games more than others.

Ok, thanks guys i was going to add i bought an amazing offer for £230 Pounds as i will list below:

CPU = Intel celeron G530 2.4ghz dual core
MOTHERBOARD= ASROCK Z77 extreme 4
PSU = Antec 620W 80 PLUS Bronze Modular Power Supply
CASE= AeroCool Strike-X Red GT Black/Red Gaming Mid Tower Case
MEMORY= Corsair CMZ8GX3M2A1600C9R 8GB (2 x 4 GB) DDR3 Vengeance Memory - Red
HARDDRIVE= 120GB OCZ Solid 3 SSD sata III. Read 550MB/s, Write 530MB/s. This is the boot up ssd and i also have a 500gb harddrive for storage
WIRELESS= PCI EXPRESS WIRELESS CARD
DISK/DVD DRIVE= Just a regular disk/dvd drive

for this i think was a bargain also it's a Z77 Asrock Extreme4 which supports i3/5/7 so i can upgrade a processor at any given time but i wanted to know how much of a bottleneck it would be playing games like WOW andaria etc at 1280x1024 which is max my monitor supports (17") Max Settings etc  

well, the G530 and the HD 6850 let me play guild wars 2 at 1440 x 900 with some medium and high settings at 35-45 FPS so i think you will be fine for some time, and since is a 1155 socket, you can do that upgrade to i3,i5 or i7 later