If by "standard" you mean BR standard, I've some bad news for you.
Bachmann don't make a Standard 2MT - they make its very similar LMS predecessor, the Ivatt 2MT. Aside from the obvious numbering giveaway (46xxx rather than 78xxx) there are a number of detail differences - most notably the cab profile and the filled-in running plate ahead of the cylinders.
The 2MT 2-6-2T Bachmann once produced was, likewise, its earlier LMS cousin - not the BR standard.
However if you have some patience I'm sure that Bachmann will be producing the std2 in the near future (Bachmann timing of course) It may even be in their 2008 catalogue, so that'll be late 2009 at the soonest.
I for one can't wait for it and have picked out my number as well, my local std2 78019
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