Aspen Heights may be 11 years old, but the massive 606-unit condominium located along River Valley Road has been enjoying a resurgence of interest from homebuyers, riding on strong sales of new developments nearby. After only 15 transactions hovering at the $1,000 psf level in the first half of 2009, more than 30 units have changed hands in 2H2009, with prices surging past $1,400 psf. For the period Dec 23...