Premium Job Offer-Only for D7-Experts

Im looking for good quality mods.
can you quote?

1.Mobilephone mod [to run a mobile spec page with discussion]
2.Autos Mod[to run a auto[bike/car] inventory with detailed specs and discussion]
3.Replacing/upgrading Boonex Comments with http://www.aboutecho.com/ or http://www.disqus.com/ products

4.integrating ping.fm or hellotxt into D7 wall[ when user submits something in their wall, it should be posted across all other networks too.]

please give me overall budget.
I need all these in installable modules with D7 code conventions met.

David