The 09 Sequoia Elite is spec'd with Mavic CXP22 rims 28/32 spokes. I don't believe the Sequoia got changed between 08 and 09. That is a FINE set up.
My wife had a 04 Sequoia Elite with 105/Ultegra rd and it was excellent except being a bit small in size, that was my fault not the shops.
We're both riding Giant OCR C3's with their house brand wheels in 18/20 spokes, I'm 240-255 and have never had them get out of true with well over 2k miles on the bike. I do have them re-trued/tensioned once a year although only on the first break in tune up did they need any work.
IMHO the Sequoia is an Excellent buy at retail and you saved 300+. You done good, I think you'll like it.