Well, I don't really know Hard Core Rikki. The only twitchy thing about ESET SS that i've encountered is the Firewall....but only at times if you mess around with too many settings and add/remove it in the Network Settings/Preferences.
It is quite fast. It loads fast in Windows, and leaves a very small foot print. And so far, it's been quite on point in it's ability to decipher bugs/viruses (whether dependent on the virus definitions or it's internal ThreatSense technology).
But as i've been using it for the longest time now, i'm not much authority on the alternative suites available.
r2rX
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ready2rumbelX
-Intel Core 2 Quad (@3200Mhz)
-Gigabyte 965P-S3 motherboard
-2GB TwinMOS PC-6400 (DDR2 800) RAM
-Seagate 80GB and 320GB 7200rpm H.D
-Sapphire Radeon HD 4870 512MB GDDR 5 (790/4400)
-Windows Vista Ultimate SP1 (x86)
-Realtek HD w/ Creative PC Works 5.1
-2 x L.G DVD/CD-RW Combo - GSA-H62N