Ritchey classic seatpost - 27.2 - 30£. Unless you run it pretty high there will be no marks.
Ritchey classic Stem - 6 degrees - 100mm - 30£.
Soma high way - 6061-T6 aluminum - Drop: 130mm- Reach: 75mm- 26.0 31.8mm at clamp, no signs of use with stem on. 30£.
If bought all together (seatpost,stem,bars) = 80£