I don't like to use mechanical traps personally. As a player I had noticed that by the time I could detect deadly traps reliably (say around 10th) they were also reliably defeated (either taking 10, or just needing a low roll). The only traps at this point that made me sweat were magic.
A tenth level Rogue with an Int 16, has a Search skill of 16 (most of my Rouges are either combat orientated or social orientated). At this point I pick up skill mastery and generally stop rolling dice for certian skills.
So as a DM, I only use mechanical traps for say room/corridor traps, random wilderness traps (like mines from WWII, baby), and very rarely chest/item trps.
I also wouldn't see a modern man using a mechanical trap, but rather an electronic (thusly
magic) so feel more it is more realistic. I mean come on, who in thier right mind would fiddle with a jiggly-little-save-or-die-poison-needle on their underwear drawer? I said
right mind.
When the mage says 'Hold up there friend Rogue, I Detect Magic on yon chest." And the party begins to slowly edge out of room, most Rogues start to sweat. Okay realistically the rest of the party bottlenecks at the door in a mad scramble to escape the blast radius, but I give 'em to the count of three before flipping the switch. (In most games where I am the Rogue, chests are akin to switches, open-trap is active, closed-trap is inactive) I pray to the great diety of the Reflex save.
I shushed him and slipped into the shadows. I kept one hand on my new lucky necklace, and my sneaking was flawless. I didn’t make any noise at all when I tripped headlong over the unconscious dwarven guards. Then light flared around me. “C’mon, be a reflex save,” I prayed to whatever God might be listening. “Reflex!”--
Piratecat, Iconics
I tried to link to the Ceramic DM thread for this story, but can't find it. wahn-wahn-wahn. *Edit: I found it!*
TTFN--EvilE
Editted for grammar and speling