In 2008, LEGO released 2 Star Wars Ultimate Collector Series sets, all of these sets have been retired. For that year, the total price of all retail sets cost $490, today those sets are valued around $1,646, a growth of 236%.
Most valuable 2008 LEGO Star Wars Ultimate Collector Series set
10188 Death Star $1,014.19
Highest growth 2008 Ultimate Collector Series set
10186 General Grievous +602.59%
2 sets

10186 General Grievous

Theme / Subtheme Star Wars / Ultimate Collector Series
Year 2008
Pieces 1,085
Availability Retired
10186 LEGO Star Wars General Grievous
Retail $89.99
Value $632.26
Growth  +602.6%
Annual growth 9.4%

10188 Death Star

Theme / Subtheme Star Wars / Ultimate Collector Series
Year 2008
Pieces / Minifigs 3,803 / 24
Availability Retired
10188 LEGO Star Wars Death Star
Retail $399.99
Value $1,014.19
Growth  +153.6%
Annual growth 8.9%