Bob, jealousy does not suit you at all.
Ajax, I have no experience with the units you asked about, I saw one once but that is it, I would refer you to the Garden Web but it is populated by box store gurus but you might try asking there, rare that no one here has some knowledge however.
Really, despite statement to the contrary including mine, solid state ignition cured about 90 percent of -- "my small engine whatever will not run" --- type things. Still of course carburation is the other bugaboo.
I wonder if you are using fresh fuel, proper oil mix, correct plug, they are all pretty simple machines and should run all else being equal. A string of bad luck with multiple top end brands generally indicates an operator error, not intending to be smart but there could be something else in play here with your bad luck and having nothing to do with your aura /w3tcompact/icons/wink.gif . J