Dragon Naturally Speaking works with multiple devices and files while Sony Organizer works with the following Sony IC Recorders:
ICD-SX712 / SX712D / SX733 / SX733D / SX1000
ICD-UX512 / UX522 / UX523F / UX532 / UX533 /UX534F / UX532 / UX533 / UX534F
ICD-AX412F
ICD-PX312 / PX312F / PX312M / PX312D / PX333 / PX333D / PX333M
ICD-TX50
If you have one of these models, then Sound Organizer can be used to transcribe your memos.