New entry level gaming pc build

[Zico]

Just browsing SCAN and they have a combo system up on the Today Only:

1TB Samsung HD103UJ Spinpoint F1, SATA 3Gb/s, 7200rpm, 32MB Cache, 8.9 ms, NCQ
22" Acer V223WBbd, Black, Widescreen LCD Monitor, 5ms, DVI/VGA, 1680x1050, 10000:1, HDCP, Green!
4GB (2x2GB) Corsair TwinX DDR2 XMS2, PC2-8500 (1066), 240 Pin, Non-ECC Unbuffered, CAS 5-6-6-18, EPP
500W Storm LPJ19-25 ,120mm Silent Fan, 24pin +4 pin +12V PSU ATX 2.2
Asus P5KPL-AM iG31, S775, PCI-E (x16), DDR2 1066(OC)/667/800, SATA 3Gb/s, uATX, VGA
Intel Pentium Dual-Core, E5300, S775, Wolfdale, 2.6 GHz, 2MB Cache, 13x Core Ratio, 65W, Retail
Samsung SH-S223Q/BEWE 22x DVD±R, 8x DVD±DL, DVD+RW x8/-RW x6, x12 RAM SATA L/scribe Beige+Black Bez
Scan Black Floppy Disk +Int Combo All in 1 Card Reader Fits 3.5" Bay USB2
Silverstone Precision PS02B Black Mid Tower Case w/o PSU

£356.49 inc (plus get free delivery with SCAN from an I series code).

I know that there isn't much left in the S775 for Intel but is the 5300 as good a clocker as the 5200 appears to be?