I pronounce "
Megan" MEH-gahn, and "
Maegan" MAY-gahn. The MEE-gan pronounciation I would spell as "Meegan". So yes, I think the spelling change does make a difference.
As for the MAY-gan sound - I think I'd prefer it spelt Maygan, to be honest - as unambigious as possible. ^_^
- Maria
Pro-Sissy-Names.