What if you were to alternate between the two variants depending on IRC > Options >'[x] Short joins and parts'

When enabled, addresses appear at the very end of all events.

[12:00] * Joins: MadGoat (arnie@secretly.tjerk.is)
[12:01] * MadGoat is now known as MooSheep (arnie@secretly.tjerk.is)
[12:02] * Parts: MooSheep (arnie@secretly.tjerk.is)
[12:03] * Joins: MooSheep (arnie@secretly.tjerk.is)
[12:04] * Quits: MooSheep (arnie@secretly.tjerk.is) (bye!)

When disabled, addresses appear at the beginning of all events.

[12:00] * MadGoat (arnie@secretly.krejt.is) has joined #mIRC
[12:01] * MadGoat (arnie@secretly.krejt.is) is now known as MooSheep
[12:02] * MooSheep (arnie@secretly.krejt.is) has left #mIRC
[12:03] * MooSheep (arnie@secretly.krejt.is) has joined #mIRC
[12:04] * MooSheep (arnie@secretly.krejt.is) Quit (bye!)

Well. At least I won lunch.
Good philosophy, see good in bad, I like!