We got around to cracking open our latest CB catalog and our favourite find within was the Brighton Bed with trundle option (we've always loved bunk beds and trundle beds, maybe because we always liked the idea of sleepovers). Too bad it's only an option for the twin size bed.
Related topics across AT:
Horizontal Opening Murphy Beds
Argington Ayres Twin Bed
Good Questions: Trundle Bed Experiences?
ohdeedoh: Bump Beds
Room & Board's Innerspring Mattress (trundle mattresses)