'Sub Arctic Plenty' is a fast-growing, determinate plant, which means it stops growing when flowers develop.
The tomatoes, which are 3 or 4 oz., are harvested at 45 days, making it one of the fastest-producing varieties.
On the down side, this variety is not resistant to any of the common diseases of tomatoes,
hence the possibility of total variety crop failure.
'Early Girl': Indeterminate, early, hybrid, slicing tomato, VF resistant.
Another good source of information for early season varieties can be found at:
http://www.chileplants.com/search.aspx?CategoryID=6&SeasonID=1&SearchButton=Go
Don't let the name fool you, however, they only sell plants, and not seed.
The list of early tomato varieties is, at least, a starting point and a good early variety resource.
Thanks for the info.