i guess depende sa tao. personally, kung ganyan setup ko, with the TS as booster ang magiging sequence ko ay: guitar-TS-SD1-amp. while it won't give that large of a volume boost compared sa kabaligtaran, may added harmonics at slight compression siya na dagdag, good for solos. yung kabaligtaran, in my experience hindi ko masyado trip ung resulta kahit malaki yung volume boost niya. nababago masyado at nakukulayan yung tone.
yung BD2 as a post OD pedal boost, yun mas ok ang resulta niya. siguro kasi, mas transparent ang EQ ng BD2.