For the gyro I would suggest one of the following: JR 770+JR8900 servo. Logictech 6100 with its servo. Spartan DS760+JR8900 servo. In no particular order, love my Logictech and 770 equally to bits.
For servos: The best IMHO at the moment is the JR DS-8917's, 12kg torque and 0.09s/60` speed. Others which I reckon are pretty reliable and good are the DS-8321's, 9,6kg but rather slow at .21s if memory serves.