updated MB Pro benchmarks

i visited the apple store again and re-ran XBench for the 13" 2.66 GHz mb pro, providing results that i think are closer to reality (correcting that out-of-whack UI Interface value).

	MB Pro 2.53GHz C2D (Nov 2009)	13" MB Pro 2.66GHz C2D (Apr 2010)	15" MB Pro 2.53GHz i5	15" MB Pro 2.66GHz i7
RAM, gig	4	4	4	4
Overall Score	128.33	139.19	166.23	174.52
CPU	181.45	190.23	201.96	221.38
Thread	309.72	280.11	491.01	539.79
Memory	190.57	196.82	314.76	330.08
Quartz Graphics	197.14	164.88	209.01	233.53
OpenGL Graphics	90.44	168.13	198.13	204.90
User Interface	278.42	199.38	324.52	353.68
Disk, Overall	47.99	51.67	52.55	53.42
Disk, Sequential	95.06	100.12	107.92	116.04
Disk, Random	32.09	34.82	34.73	34.69