JMHO based on what I've seen for myself and/or learned from TUG ......
(1) Exchanging in general
Exchanges are different than booking an internal HGVC reservation.
It is important to understand that exchangers only have access to what is deposited and not all weeks are deposited. As someone said on a recent TUG thread, if you assumed that you will simply be able to "exchange" into where you want to go, when you want to go there then you might be very disappointed".
Some destinations will be harder to exchange into than others. It depends on supply and demand.
For example, if you want to go to Orlando during the summer, you won't have any problems getting an exchange since there's an oversupply of timeshare resorts in Orlando.
With any exchange company you have to be a planner so you can be first on line with your request. From TUG's Timeshare 101 article, "Many TUGgers conduct their vacation scheduling two years in advance of the actual vacation days."
When you're looking to trade into a particular resort, you may be more successful if you try to learn which weeks are typical available (i.e offseason weeks only) based on previous deposits and when do they become available for exchange (for example six months, one year or two years in advance ).
(2) Interval International vs RCI
With HGVC developed resorts we only have access to RCI. Some of the other club resorts have access to Interval International.
RCI has more resorts in more destinations
Interval International (II) has more name brand hotel based timeshares such as Marriott, Starwood, Hyatt and Four Seasons.
Availability will vary based on destination. For example RCI Weeks has more exchange availability in NYC than Interval International.
Interval International seems to place a higher value on the quality of resort and unit size. RCI Weeks seems to place a higher value on earlier deposits and high demand weeks.
Based on what I've seen, exchangers will have better luck booking in peak season at high demand areas with RCI than with Interval International (due to the II's preference period and the developer controlled deposits of mostly offseason weeks in II).
Each exchange company has their PROs and CONs. There is no right or wrong. Everyone's priority is different. Some folks just want a clean place to stay. Others prefer accommodations with upscale amenities (granite countertops, upgraded appliances, etc). While other it's all about location, location, location. Only you can decide if it meets your needs.
There are constant TUG debates on II vs RCI. Here's one -
http://www.tugbbs.com/forums/showthread.php?t=94306
(3) RCI Weeks vs RCI Points
With HGVC we have access to RCI Weeks and RCI Points. Some
RCI resorts participate in one or the other or both.
With RCI Weeks, it's best to place an ongoing search. What is normally seen online are the leftovers. In RCI Weeks, exchanges can be made up to two years in advance (however it varies by resort).
With RCI Points, you can't place an ongoing search. For peak weeks it's best to book as soon as the reservation window opens. In RCI Points, exchanges can be made up to 10 months in advance.
Based on what I've seen, it seems that exchangers have a better chance at getting a resort with RCI during peak travel times (as long as it is booked in advance as soon as deposits can begin).
I've been playing around with with RCI Weeks and RCI Points ever since we got access via the HGVC web portal. Sometime there are more weeks in RCI Points vs RCI weeks and vice versa depending on the resort.
For example, take a look at the sighting board using the following
search criteria listed below (also pay attention to the availability during peak travel season)
(1) Keyword: head; Username: alwysonvac; Search in Forum: Sightings/Distressed
(2) Keyword: myrtle; Username: alwysonvac; Search in Forum: Sightings/Distressed
(3) Keyword: england; Username: alwysonvac; Search in Forum: Sightings/Distressed
(4) Keyword: spain; Username: alwysonvac; Search in Forum: Sightings/Distressed
(5) Keyword: portugal; Username: alwysonvac; Search in Forum: Sightings/Distressed
(6) Keyword: greece; Username: alwysonvac; Search in Forum: Sightings/Distressed
(7) Keyword: cayman; Username: alwysonvac; Search in Forum: Sightings/Distressed
(8) Keyword: utah; Username: alwysonvac; Search in Forum: Sightings/Distressed
(9) Keyword: montana; Username: alwysonvac; Search in Forum: Sightings/Distressed
(10) Keyword: orleans; Username: alwysonvac; Search in Forum: Sightings/Distressed
(11) Keyword: disney; Username: alwysonvac; Search in Forum: Sightings/Distressed
(12) Keyword: pacific; Username: alwysonvac; Search in Forum: Sightings/Distressed