this post is not meant to praise nor thrash any developments but merely to illustrate some pointers:

Paradigm Residences
Confirmed mall (already in operation. successful or not, up to individual's assessment).
Infrastructure - closeby to major highways such as LDP, NKVE, KESAS, FH, etc
Rail Factor - present closest station at KJ LRT with complimentary shuttle buses
Others - Low density. Only 100+ units. Proposed luxury hotel.
Tropicana Residences
Proposed mall (although quite confirmed lah but whether sucessful or not, dunno yet. Can use Tropicana City Mall as benchmark maybe?)
Infrastructure - closeby to major highways such as NKVE, LDP, MRR2
Rail factor - integration with proposed MRT station
Others - near bustling DS and close proximity to Mutiara D'sara and BU township.

technically, i would say both have its strength.
But does it justify it's pricetags?

Why get hang up over all these 1 to 1.3k stuff at TR and PR? Its already a fact that pricing has gone to these levels and there is a market and demand for it. The low hanging fruit will be at KLCC ( centre of the Universe) with quite a number of good to great developments which definitely be rerated up. Places like Dua Residency, Hampshire, K Residence ...