1) There isn't really anything official, call D* and see what you can work out, $200 definitely seems doable
2) Older receivers should work fine with the 5LNB
3) HD package is Universal HD, HDNet, HDNet Movies, Discovery HD, TNT HD, ESPN 1 & 2 HD. HBO HD and Showtime HD I believe come along if you have either of those packages, not required to have the HD package. Same with the local HD channels, you get them just for having locals as part of your programming package, HD package is not a requirement for them.
Premier is the highest level package right (aside from platinum)? I believe the HD package is included in the premier package.
2) Older receivers should work fine with the 5LNB
3) HD package is Universal HD, HDNet, HDNet Movies, Discovery HD, TNT HD, ESPN 1 & 2 HD. HBO HD and Showtime HD I believe come along if you have either of those packages, not required to have the HD package. Same with the local HD channels, you get them just for having locals as part of your programming package, HD package is not a requirement for them.
Premier is the highest level package right (aside from platinum)? I believe the HD package is included in the premier package.