Sam,
there are several options now for controlling the PS3 from a universal remote,Logitech have recently launched one and you might like to check out the PS3IR-1000 here :-

http://www.schmartstuff.com/

this also will turn on and off remotely


Marantz NR1710, 5x Martin Logan Fresco i, BW PV1 sub,, Panasonic TX55GZ950, Sky HD+,Panasonic DP-UB820 Blu-Ray.