Oh, I missed the "edge" part of your request. You're just looking at stackable stuff, not modular? And your only requirement (beyond stability) is STP? How about 802.1Q VLAN Tagging? And no networking support beyond basic layer 2 switching?
Companies that I know to do solid layer-2 stuff include Cisco, HP, Foundry (now owned by Brocade, apparently), and Extreme. I'd probably also trust stuff from Juniper, but I don't have any personal experience with their switching(-only) products.
[color:yellow]Edit: Oh, and I meant to say that I haven't kept up with pricing in quite a while, so I'm not making any recommendations on that front at all. Those are just who I'd consider to be Tier 1 to Tier 1.5 vendors in that space, based on product quality.[/yellow]
Edited by wfaulk (22/04/2010 20:15)
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Bitt Faulk