For those of you mapping my course (all 2 of you), here it is from start to present day with place names spelled correctly, although there are different spellings so don't be thrown off if your map is different as long as it is generally the same.

Thailand
Bangkok
Ko Samui (Island in the Gulf of Thailand which is east of the southern peninsula)
Ko Tao (see above)
Bangkok
Ayutthaya (just north of Bangkok)
Chiang Mai (Northern Thailand)
Chiang Khong (Northeastern Thailand at Laos Border)
Laos
Houayxai (across border from Chaing Khong)
Pakbeng (south of Houayxai down Mekong)
Luang Prabang
Nong Khiaw (northeast of LP)
Back to LP
Vang Viang (south of LP)
Vientiane
Don Det (in the far southwest of Laos near Cambodia)
Tad Lo (in the south in the middle; east of Pakse and south of Salavan)
Champasake (south of Pakse)
Savannakhet
Lao Bao (East of Svannakhet to cross border into Vietnam)
Vietnam (not all done yet; planned itinerary)
Dongha (briefly; on the coast of Vietnam right in the middle of the country)
Hanoi
Sapa (Northwest of Hanoi near Chinese border crossing)
Bac Ha (east of Sapa and border crossing)
Hanoi
Mai Chau (west of Hanoi slightly to the south)
Ha Long Bay and Cat Ba Island Ne (west of Hanoi)
Hanoi
Ninh Binh- (South of Hanoi towards the coast- from here everything is south on the coast)
Hue (southern Vietnam; south of Dongha)
Hoi An
Nha Trang
Dalat (slightly inland)
Mui Ne
Ho Chi Minh City (Saigon)
A town in the Mekong Delta that I do not know the name of
Phenom Phen
Siem Reap